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
Have a go at it.
你来试一试。
Solid packing and overall stuffing can prevent the cases from vibration and jarring.
坚固的木箱和箱内严密的填充可防止木箱受震、开裂。
It costs five hundred pounds.
它的售价是500英镑。