Richet's canal
[医] 里歇氏管(脐静脉管)
🧩 词语组成解析
🗣️ 情景例句
What do you mean?
是什么意思？
I asked him to buy it for me, but he wouldn't.
我请他帮我买，但是他不肯。
What seems to be the delay in shipping?
你们出货延迟了，是什么原故呢？