Concavity
n. 中央凹陷, 凹洼, 凹曲线\\n[医] 凹, 凹面
📖 牛津释义
concavity
n
(a) [U] quality of being concave 凹状; 凹形.
(b) [C] concave surface 凹面.
🗣️ 情景例句
What kind of personality do you think you have?
你认为你具有哪种性格?
Avarice increases with wealth.
越富越贪。
When work continued, one man lit a cigarette as he was working, but, finding it had a strange taste, he put it out.
随后他们继续干活,一个工人在干活时点燃了一支香烟。可是他觉得有一股怪味,他就把烟灭了。
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