Molcohesion
分子内聚力
🗣️ 情景例句
Goodbye, hope to see you again.
再见， 希望再次见到你。
There have been a lot of changes here in the last 20 years.
在这20年里这里有很多变化。
Well done! You are always doing a good job!
干得不错！你总是干得很出色！