🧩 词语组成解析
不能生物降解的
🗣️ 情景例句
Here's $ 1000 for the trip. Use some of it for stamps.
这里是1000美元，给你当旅费。要把一些用来买邮票啊！
I wish you had called me back the next day,as I had asked you to.
我希望你明天打电话给了我回来,正如我要你做的。
Is it okay to smoke in the office?
在办公室里抽烟可以吗？