Triolefin
三烯烃
🗣️ 情景例句
The book is worth reading.
这本书值得一读。
Can I have a day off?
我能请一天假吗？
Often, I know what she's going to say. Sometimes, I know what she's thinking.
通常，我知道她想说什么。有时候，我知道她在想什么。