Convexity
n. 中凸, 凸状, 凸面\\n[化] 凸度; 焊缝凸度
📖 牛津释义
convexity
n[U]
state of being convex 凸; 凸状.
🗣️ 情景例句
we would go down to the beach and catch crabs,
我们走到海边抓螃蟹,
I'm afraid not. She doesn't have any openings in the morning.
恐怕不行。上午她没有空。
Sending a fax is more expensive than posting a letter, but much quicker.
发传真比寄信要贵些,但是要快得多。
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