Biconvexity
n. biconvex的变形
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
He's a composer of church hymns.I like his music a lot.
他是宗教诗歌作曲家，我很喜欢他的音乐。
I insist that you give me my money back.
我要求你把钱退给我。