able ??adj.
intelligent; good at sth有才智的尉剩；有才能的葛躏；（某方面）擅長的
?the ablest student in the class?班上最有才華的學(xué)生
?We aim to help the less able in society to lead an independent life.?我們的宗旨是幫助社會上能力較弱的人獨(dú)立生活
able?to do sth
to have the skill, intelligence, opportunity, etc. needed to do sth能；能夠
?You must be able to speak French for this job.干這項工作你得會說法語。?
?A viral illness left her barely able to walk.一場病毒引起的疾病使她走路十分困難。?
?I didn't feel able to disagree with him.我覺得無法不同意他的意見。?
?Will you be able to come?你能來嗎辨嗽？?
above ??prep
1.at or to a higher place or position than sth/sb在（或向）…上面
?The water came above our knees.水淹過了我們的膝蓋。?
?We were flying above the clouds.我們在云層上面飛行淮腾。?
?the people in the apartment above mine我樓上那套公寓里的人們
?A captain in the navy ranks above a captain in the army.海軍的（上校）軍銜比陸軍的（上尉）高糟需。?
?They finished the year six places above their local rivals.這一年結(jié)束，他們的排名比當(dāng)?shù)馗偁帉κ殖傲鶄€名次谷朝。?
2.more than sth; greater in number, level or age than sb/sth（數(shù)目洲押、數(shù)量、水平圆凰、年齡）超過杈帐，多于，大于
?Inflation is above 6%.通貨膨脹超過6%专钉。
?Temperatures have been above average.氣溫一直比平均溫度高挑童。?
?We cannot accept children above the age of 10.我們不能接受10歲以上的兒童。?
詞語辨析above ? over
1.Above?and?over?can both be used to describe a position higher than something.?above和over均可表示位置高于…或在…上：
?They built a new room above/over the garage.他們在汽車房上面建了一間新屋跃须。
When you are talking about movement from one side of something to the other, you can only useover?.表示從某物的一邊移至另一邊只能用over：
?They jumped over the stream.他們跳過了小溪站叼。
Over?can also mean ‘covering’.?over亦可表示覆蓋著：
?He put a blanket over the sleeping child.他把毯子蓋在睡著了的孩子身上。
2.Above?and?over?can also mean ‘more than’.?Above?is used in relation to a minimum level or a fixed point.?above和over亦可表示多于菇民。above與最低限度或某固定點(diǎn)關(guān)聯(lián)：
?2 000 feet above sea level海拔2 000英尺
?Temperatures will not rise above zero tonight.今天夜間的溫度不會高于零度尽楔。
Over?is used with numbers, ages, money and time.?over與數(shù)目、數(shù)量第练、年齡阔馋、金錢和時間連用：
?He’s over 50.他已年過半百。
?It costs over￡100.?這個值100英鎊以上娇掏。
?We waited over 2 hours.我們等了兩個多小時呕寝。
above ??adj.
1.at or to a higher place在（或向）上面；在（或向）較高處
?Put it on the shelf above.把它放到上面的擱板上婴梧。
?Seen from above the cars looked tiny.從高處往下看壁涎，車輛顯得很小。?
?They were acting on instructions from above?(= from sb in a higher position of authority)?.他們是在按照上級的指示辦事志秃。?
2.greater in number, level or age（數(shù)目、數(shù)量嚼酝、水平浮还、年齡）超過，更多闽巩，更大
?increases of 5% and above增加5%或以上
?A score of 70 or above will get you an ‘A’.?70分或以上就可以得“優(yōu)”钧舌。
?children aged 12 and above?12歲或以上的孩子
3.earlier in sth written or printed上文担汤；前文
?As was stated above...如上所述…
?See above, page 97.見前文，第97頁洼冻。?
across ?prep
1.from one side to the other side of sth從…一邊到另一邊崭歧；橫過
?He walked across the field.?他走過田地。?
?I drew a line across the page.?我在這一頁上畫了一條橫線撞牢。?
?A grin spread across her face.?她粲然一笑率碾。?
?Where's the nearest bridge across the river??過河最近的橋在哪兒？?
2.on the other side of sth在…對面屋彪；在…對過
?There's a bank right across the street.?街對面就有一家銀行所宰。?
3.on or over a part of the body在（身體某部位）上
?He hit him across the face.?他打了他的臉。?
?It's too tight across the back.?背部太緊畜挥。?
4.
in every part of a place, group of people, etc.在…各處仔粥；遍及
?Her family is scattered across the country.?她家中的人散居全國各地。
?This view is common across all sections of the community.?該社群所有階層的人普遍持有這種看法蟹但。?
across ?adv.
1.
from one side to the other side從一邊到另一邊躯泰；橫過；寬
?It's too wide. We can't swim across.這太寬了华糖，我們游不過去麦向。?
?The yard measures about 50 feet across.庭院寬約50英尺。?
2.
in a particular direction towards or at sb/sth從…的一邊向…
?When my name was called, he looked across at me.當(dāng)叫到我名字的時候缅阳，他從那邊朝我看過來磕蛇。?
3.
across from?opposite在對面；在對過
?There's a school just across from our house.有一所學(xué)校就在我們房子對面十办。?
4.
(?of an answer in a?crossword縱橫字謎謎底?)?written from side to side?橫寫的
?I can't do 3 across.我猜不出第3格橫寫的謎底秀撇。
advantage ?n. ?advantages
~ (over sb)a thing that helps you to be better or more successful than other people有利條件；有利因素向族；優(yōu)勢
?a?big/great/definite advantage大的╱很大的╱確定的優(yōu)勢
?Being tall gave him an advantage over the other players.他個子高呵燕，比其他運(yùn)動員有利。?
?an unfair advantage?(= sth that benefits you, but not your opponents)不公平的有利因素（指有利于自己件相、但并不有利于對手）
?She?had the advantage of?a good education.她具有受過良好教育的有利條件再扭。
?Is there any advantage in getting there early?早到那里是否有利？
?You will?be at an advantage?(= have an advantage)?if you have thought about the interview questions in advance.如果你預(yù)先考慮過面試中提出的問題夜矗，就會處于優(yōu)勢泛范。
2.
a quality of sth that makes it better or more useful優(yōu)點(diǎn)
?A small car?has the?added?advantage of?being cheaper to run.小型轎車還有一個優(yōu)點(diǎn)是養(yǎng)護(hù)成本比較便宜。
?the advantages of living in a small town在小城鎮(zhèn)居住的好處
?Each of these systems has its advantages and
take ad?vantage of sth/sb
(1)?to make use of sth well; to make use of an opportunity利用紊撕；利用（機(jī)會）
?She took advantage of the children's absence to tidy their rooms.她趁孩子們不在時收拾了他們的房間罢荡。?
?We?took full advantage of?the hotel facilities.我們充分享用了旅館設(shè)施。
(2)?
to make use of sb/sth in a way that is unfair or dishonest欺騙；占…的便宜
?He took advantage of my generosity?(= for example, by taking more than I had intended to give)?.他利用我的慷慨占了便宜区赵。
ago ?adv.
used in expressions of time with the simple past tense to show how far in the past sth happened（與動詞簡單過去時連用）以前
??two weeks/months/years ago兩周╱兩月╱兩年以前
??The letter came a few days ago.這封信是幾天前寄來的惭缰。
? She was here just a minute ago.剛才她還在這兒。
? a short/long time ago不久╱很久以前
??How long ago did you buy it?這東西你是多久以前買的笼才？
air??/e?(r)/?
1. [U]?the mixture of gases that surrounds the earth and that we breathe空氣
?air pollution空氣污染
?Let's go out for some?fresh air?.咱們出去呼吸點(diǎn)新鮮空氣漱受。
?I need to put some air in my tyres.我需要給我的輪胎打些氣。?
?currents of warm air暖氣流
2. ?[?U]?the space above the ground or that is around things空中骡送；天空
?I kicked the ball high?in/into the air?.我把球高高地踢到空中昂羡。
?Spicy smells wafted?through the air?.空中飄來一陣陣辛辣的氣味。
?Music filled the night air.夜空蕩漾著樂聲各谚。?
3.
[?U]?the space above the earth where planes fly（飛行的）空中紧憾，天空
?It only takes three hours?by air?(= in a plane)?.乘飛機(jī)只要三個小時。
?air travel/traffic航空旅行昌渤；空中交通
?The temple was clearly visible from the air.從空中看去赴穗，那座廟宇清晰可辨。?
?A surprise air attack?(= from aircraft)?was launched at night.夜間突然發(fā)起了空襲膀息。
