Treelines
(treeline 的复数) n. 树木生长线（按海拔标示的树木生长上限）
🗣️ 情景例句
It's completely beyond my grasp.
我完全摸不着头脑。
If I want to be healthy,I have to stop smoking cigarettes.
如果我想要健康,我必须停止吸烟。
Modern readers would find such naive solution totally unacceptable.
现代读者会觉得这种天真的结局完全无法接受。