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例句
1
1. By keeping their pupils working
unnecessarily
long at some little part of the subject, they often weaken their interest in learning the language.
让学生们在一些细小的方面花去过多的时间反复练习,这往往会减弱他们学习语言的兴趣。
2. You are being
unnecessarily
perverse.
你无谓一意孤行.
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