Retroflection
n. 反曲, 翻转, 后屈
🗣️ 情景例句
Good-bye, Mr. Carlson. Thanks.
再见， Carlson先生。谢谢。
Better be the head of an ass than the tail of a horse.
宁为驴头，不为马尾。
He began his diet a week ago.
他是一星期前开始节食的。