✅ 同义词
🗣️ 情景例句
Excuse me. you got a minute?
对不起，能耽误你一分钟吗？
Last year I studied sociology and political science in school.
去年，我在学校攻读了社会学和政治学课程。
Two main techniques have been used for training elephants,
驯象有两种主要的方法，