Treeline
n. 树木生长线（按海拔标示的树木生长上限）
🗣️ 情景例句
A little knowledge is dangerous.
一知半解最危险。
All work and no play make Jack a dull boy.
尽量学，尽情玩。
This question is too complicated for me.
这个问题对我说来太复杂了。