🗣️ 情景例句
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高兴见到你。 久仰， 久仰。
If it is left too long, it begins to give off a bad smell.
假如把它放得太久了，它就会开始发臭。
Don't touch anything unless your teacher tells you to.
除非老师允许，否则你不要动任何东西。