Masteries
n. 精通, 熟练（mastery的复数形式）
🗣️ 情景例句
You don't seem very enthusiastic about his suggestion.
你似乎对于他的建议并不很感兴趣。
I was born anAmerican; I live an American; I shall die an American.
我生下来是美国人，活着是美国人，死时也是美国人。
He is now retiring from political life and has gone abroad.
他现在退出了政界，到国外去了。