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
Freezing, isn't it?
好冷啊！
To paint the roof
油漆屋顶
What shall we do today? The weather's not very good.
我们今天该做什么呢？天气很不好。