noun 下载 🔗分享 树木线,森林界线。 A division in altitude (or latitude) above which trees tend not to grow on mountains. Examples : "We hiked up the mountain until we reached the treeline, where the forest ended and only rocks and snow remained. " 我们一直往山上爬,直到到达了树木线,那里森林消失了,只剩下岩石和积雪。 geography environment geology nature science 与AI对话词汇游戏阅读练习