1.promotion
n. 晉升茬射；提升蕊肥；促銷；促進
單詞形態(tài)：
復數：promotions
examples:
1) After serveral years of work, he got a promotion!
2. flock
n. （鳥或羊的）群诗舰；一群人蔓罚；（對牧師而言的）教徒
vi. 聚集，成群而立
單詞形態(tài)：
復數：flocks
第三人稱單數：flocks
現在分詞：flocking
過去式：flocked
過去分詞：flocked
examples:
1) After autumn, flacks of geese flew south to avoid cold weather.
3. volunteer
n. 志愿者荠耽；志愿兵
v. 自愿做钩骇；自愿加入；主動提供（信息）铝量；自愿做倘屹，義務做
單詞形態(tài)：
復數：volunteers
第三人稱單數：volunteers
現在分詞：volunteering
過去式：volunteered
過去分詞：volunteered
examples:
1) Many volunteers donate their blood to the hospital every year.
4. slavery
n. 奴隸身份；奴隸制
examples:
1) Lincoln got many black's support after the slavery abolished.
5. lock
n. 鎖
v. 鎖上
單詞形態(tài)：
復數：locks
第三人稱單數：locks
現在分詞：locking
過去式：locked
過去分詞：locked
形容詞：lockable
短語：
lock out
停工慢叨；在勞工糾紛期間不讓（雇傭工人）工作
have a lock on
（北美纽匙，非正式）牢牢掌握
under lock and key
妥善鎖藏著
lock on to
（用Gps等手段）定位跟蹤
lock someone out
給...吃閉門羹，閉門不讓進
examples:
1) It was very embarrassing when we locked the door and forgot the key in house.
6. treasury
n. 國庫拍谐，金庫烛缔；財政部；寶庫
單詞形態(tài)：
復數：treasuries
examples:
1) The treasury announced the annual budget, the more will used for building public things.
7. flower
v. 開花赠尾；用花裝飾力穗；成熟
n. 花；精華气嫁；盛年当窗；精英
單詞形態(tài)：
復數：flowers
第三人稱單數：flowers
現在分詞：flowering
過去式：flowered
過去分詞：flowered
examples:
1) The flowers was decorated in the living room.
2) There are many flowers in the company whose can solve all kinds of difficute problems.
8. deadly
adj. 致命的；完全的
adv. 死一般的寸宵；非常
examples:
1) His resignation was due to the deadly mistake.
9. undermine
vt. 暗中破壞崖面；逐漸削弱；侵蝕...的基礎梯影；挖...的墻角巫员；動搖（地位/權威）
單詞形態(tài)：
第三人稱單數：undermines
現在分詞：undermining
過去式：undermined
過去分詞：undermined
examples:
1) Under the ants undermined, the dam was collapsed.
10. capability
n. （實際）能力，性能
單詞形態(tài)：
復數：capabilities
examples:
1) Russia's military capability is very strong that it can defeat Ukraine.
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