Cellulin
[医] 动物纤维素
🗣️ 情景例句
I can't go another step because I'm pooped.
我一步也走不动了，我已经精疲力尽了。
You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。
How do you do?
你们好！