✅ 同义词
🗣️ 情景例句
I wonder whether I might ask you a question.
我是否可以问你一个问题？
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
Half an hour later ,she woke up and began to cry.
半小时后她醒了，哭了起来。