Mastic tree
乳香黄连木
🧩 词语组成解析
n. 乳香脂, 乳香, 胶合铺料\\n[化] 乳香; 玛┩脂; (抹墙用)厚浆涂料
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
🗣️ 情景例句
How's everything with you?
你一切如何？
We'll still be able to meet the deadline.
我们还是可以赶上最后期限的。
a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷（最低点）、浪高（从波谷到浪峰的垂直距离）