becomes; became /-ˈkeɪm/ ; /bɪˈkeɪm/; become; becoming becomes; became /-ˈkeɪm/ ; /bɪˈkeɪm/; become; becoming Learner's definition of BECOME
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[linking verb] : to begin to be or come to be something specified成为；变为；变成 -
Although I've known him for years, we didn't become close friends until recently.虽然我与他相识多年，但直到最近我们才成了好朋友。
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She won the election, becoming the first woman to be President of the nation.她在大选中获胜，成为这个国家的首任女总统。
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They both became teachers.他们俩都当上了老师。
: to begin to have a specified quality开始具有…特质；变得 -
The book has become quite popular.这本书现在很受欢迎。
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We became interested in the property last year.去年，我们开始对这块房地产有了兴趣。
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The crackers had become stale.这些饼干已经变质了。
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It's becoming [=getting] quite cold in the evenings.晚上天气会变得越来越冷。
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It eventually became clear that he had lied.事情最终真相大白，是他说了谎。
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She's become [=gotten] somewhat cynical.她变得有点愤世嫉俗了。
2 [+ object] formal
a not used in progressive tenses : to look attractive on (someone) : to be flattering to (someone)使好看；使漂亮 b : to be suitable for (someone) : to be proper for (someone)适合（某人）；与…相称 -
Though poor, he carried himself with a dignity becoming [=befitting] a king.他虽然穷困潦倒，却俨然一副国王的气派。
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This kind of behavior hardly becomes a person of your age and position.这种行为与你的年龄和地位大不相称。