Concave tree of region
[计] 区域凹树
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
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）;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
That sounds reasonable.
好像有道理。
He seems to be the most muscular guy.
他看起来似乎最魁伟。
Apparently sensitive to criticism, the bull forgot all about the matador and charged at the drunk.
对挑衅显然非常敏感的公牛完全撇开斗牛士，直奔醉汉而来。