Retroillumination
[医] 后方映光法
🗣️ 情景例句
I want to buy an engagement ring for my fiancée.
我想为我的未婚妻买一枚订婚戒指。
A fool knows more in his own house than a wise man in another.
一个蠢材在他自己家里所知的事比一个聪明人在别人家里所知的事要多。
Many of the men fell sick with fever.
许多人因发烧而病倒。