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agile
marked by ready ability to move with quick easy grace <an agile dancer>
having a quick resourceful and adaptable character <an agile mind>
adj. 敏捷的；机敏的；活泼的

例句:
She is such an agile dancer!
她跳起舞来是那么灵巧！

agitate -it- 表示反复或剧烈的动作，拉丁语中称之为“反复动词”
~ (for / against sth) to argue strongly for sth you want, especially for changes in a law, in social conditions, etc
to make sb feel angry, anxious or nervous
(technical) to make sth, especially a liquid, move around by stirring or shaking it
vt. 摇动；骚动；使…激动；激烈辩论(问题等)
vi. 煽动

例句:
His fiery speech agitated the crowd.
他激昂的演说鼓动了听众。
They vigorously agitated for women's right to abortion.
他们开展了强有力的鼓动工作以争取妇女堕胎权。
The issue of human rights is widely agitated.
人权问题引起广泛而激烈的辩论。

agitation
a obsolete : to give motion to b : to move with an irregular, rapid, or violent action <the storm agitated the sea>
to excite and often trouble the mind or feelings of : DISTURB
a : to discuss excitedly and earnestly b : to stir up public discussion of
intransitive verb : to attempt to arouse public feeling <agitated for better schools>
n. (液体等的)摇动，搅动；剧烈震动 ；(情绪等的)纷乱，骚动，激动不安，焦虑 ；
鼓动,煽动(for,against) ；激烈争论 ；[亦作 psychomotor agitation]【医学】焦虑不安

cogitation co-com+agitation-gitation
the act of cogitating : MEDITATION
the capacity to think or reflect
a single thought
n. 深思；思考

cogitate
to think hard; ponder; meditate: to cogitate about a problem.
to think about; devise: to cogitate a scheme
vt. 仔细考虑；谋划
vi. 思考；考虑

例句:
I need a few days to cogitate the problem.
我需要几天的时间来思考这问题。

趣味单词

ghetto 贫民区没啥该偷的
an area of a city where many people of the same race or background live, separately from the rest of the population. Ghettos are often crowded, with bad living conditions
the area of a town where Jews were forced to live in the past
n. 犹太人区；贫民区
vt. 使集中居住；把(人)隔离在聚居区