Gerhardt's triangle
[医] 格哈特氏三角(检未闭动脉导管)
🧩 词语组成解析
🗣️ 情景例句
But I've never had the pleasure of doing any business with you.
可是同贵公司尚无业务往来。
Some of them are mine.
一部分是我的。
What are you doing tomorrow?
明天你干什么？