Biconvexity
n. biconvex的变形
🗣️ 情景例句
Sure. It's 6225-9438.
好的。是6225-9438。
When was the last time he wrote you ?
他给你写最后一次是什么时候？
I'm not sure we have that much on hand.
我没把握现在的量有没有那么多。