Derivation tree
[计] 推导树, 派生树, 导出树\\n[化] 导出树
🧩 词语组成解析
derivation
['dɛrə'veʃən]
n. 引出，导出;衍生，衍生物;[语]词源，派生;出处，由来，起源;
de 离开 + riv流动 + ation表名词 → deriv(e)流自...=起源+ ation表名词 → 词源；来历
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
And I'd also like to thank my math teacher
我还要感谢我的数学老师
Hey, you break it up!
喂，住手啦！
Another one? They're delicious -- but no, thank you very much.
再吃一块？味道是很好，但我不要了，非常感谢。