Concave shape
[医]凹形
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
shape
[ʃep]
n. 形状;模型;状态;身材;
vt. 塑造;使符合;体现;
vi. 使成形;形成;
🗣️ 情景例句
When do you need the money?
你什么时候需要钱？
He dies like a beast who has done no good while he lived.
生时不做好事，死了像个畜生。
Now she's holding it for Jim. Jim is climbing up the ladder.
现在她在给吉姆扶着梯子。吉姆正在爬上梯子。