Typel
乙酸酯纤维
🗣️ 情景例句
You are a very smart young man, Robbie.
你是个绝顶聪明的年轻人， Robbie。
There is no general rule without some exception.
普遍规律必有例外。
We'll wait and see what they say.
看看他们怎么说吧。