act=to do（做）
? ? =to drive（驅(qū)使）
來自于拉丁動詞agere的分詞形式actum的詞干部分
act=to do（做）
詞義：v.1.行動纵寝、做某事（to do sth. for a particular purpose）特定的目標(biāo)/目的
We must act at once.
The girl's life was? saved? because the doctors acted so promptly.(adv. 迅速地)????????????????????????
? ? ? ? ? ? ? 2.起作用（function）
Alcohol act quickly on the brain.（酒精在大腦迅速產(chǎn)生影響）
Alcohol act promptly on the brain.
? ? ? ? ? ?3.演出扳肛、扮演
The play was well acted.（這出戲演得很好）
n.1.行為（sth. that sb. does）
an act of kindness （善行）
No act of kindness is ever wasted. 善有善報
in the act （of doing sth.）正在（做某事）聋伦；當(dāng)場（while you are doing sth）
The thief was caught in the act.（小偷當(dāng)場被抓了）
He was caught in the act of stealing a car.(他偷車的時候被當(dāng)場抓住了)
2.一幕演出呢灶；（議會通過的）法令
延展：actor[act+or人]n.男演員判呕、行動者
actress【act+-ress女性】n.女演員
overact【over-+act】v.(通常在戲劇中)表演得過于夸張
action=act+-ion（名詞后綴）
詞義：n.行動（行動的一個過程）the process of doing sth.
She began to explain her plan of action to the group.
她開始向小組講解她的行動計劃猾蒂。
n.（一種物質(zhì)或化學(xué)品對另一種所起的）作用effect
the action of sunlight on the skin(陽光對皮膚的作用）
n.訴訟 legal process
He is considering taking legal action against the hospital.
他正在考慮起訴這家醫(yī)院幌羞。
actionable【action+-able】a.可提起訴訟的
active=act+-ive（形容詞后綴）
adj.（人）積極（參加體能活動）的，活躍的癌淮、積極的
I needed to change my lifestyle and become more acrive.
我需要改變我的生活方式躺坟，活動得更多些。
Although he is over 70,he is still active.
他雖然年過70乳蓄，但依舊很活躍咪橙。
activate【activ（e）+-ate】vt.使活動、激活
activity【activ（e）+-ity】n.活躍虚倒；【復(fù)數(shù)】活動
activities【復(fù)數(shù)】活動
The streets were noisy and full of activity.
街上熙熙攘攘美侦，車水馬龍。
outdoor/classroom activities 戶外/課堂活動
activist【activ（e）+-ist】n.活動分子魂奥，積極分子
actual=act+-u-+-al（形容詞詞尾）
詞義：adj.實際的菠剩；現(xiàn)實的（existing in fact；real）
What were his actual words?他的原話是什么耻煤？
James looks younger than his wife but in actual fact(=really)he is five years older.
詹姆斯看起來比他妻子年輕具壮，但實際上他還大五歲。
actualize【actual+-ize】vt.實現(xiàn)哈蝇；使發(fā)生
He finally actualized his dream.他最終實現(xiàn)了自己的夢想棺妓。
actually【actual+-ly】adv.事實上
actuality【actual+-ity】n.事實
react=re-（回返back）+act（做to do）
詞義：v.反應(yīng)（do or act in reply）
She was slow to react.她反應(yīng)遲鈍。
react against sb./sth.反對炮赦、反抗
The villagers reacted against oppression by un uprising.
村民們舉行暴動反抗壓迫涧郊。
reaction【react+-ion】n.反應(yīng)
reactor【react+-or】n.核反應(yīng)堆
interact=inter-（between在....之間）+act（做）
詞義：V.1.互相作用，互相影響
Economists also study how people interact with one another.
經(jīng)濟學(xué)家也研究人與人之間如何相互影響眼五。
2.交流妆艘、互動
Teachers have a limited amount of time to interact with each child.
教師和每個孩子溝通的時間有限。
interaction【interact+-ion】n.相互作用
interactive【interact+-ive】adj.互相作用的
exact=ex-（出out）+act（驅(qū)使to drive）
詞義：vt.強求看幼，索扰（to demand and get sth. from sb.）
She was determined to exact a promise from him.
她決意要他做出承諾。
adj.準(zhǔn)確的诵姜；精確的（correct in every detail）
What were his exact words?他的原話是什么汽煮？
exactly【exact+-ly】adv.準(zhǔn)確地；精確地
transact
=trans-（穿過棚唆；通過 across or through）+act（驅(qū)使to drive）
詞義：v.（與人或組織）做業(yè)務(wù)暇赤；做交易（to do? business with a person or an organization）
He transacted some business at bank.
他在銀行處理了一些事務(wù)。
transaction【transact+-ion】n.交易宵凌，業(yè)務(wù)鞋囊；處理
