Costalia
肋板
🗣️ 情景例句
Are you involved in any extra-curricular activities on campus?
你在学校参加过任何课外活动吗？
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
Then he said something and I understood it.
接着，他说了点什么，这回我听懂了。