🗣️ 情景例句
Welcome to China. May I have a look at your customs declaration?
欢迎来中国。我可以看一下您的入境申请报表吗？
He thanked them on your behalf.
他替你同他们致谢。
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。