Petit's canal
[医] 波替氏管, 小带间隙, 悬器隙
🧩 词语组成解析
🗣️ 情景例句
Is a letter of credit OK?
用信用卡可以吗？
He seldom came to see his wife, did he?
她不来看他妻子，是这样吗？
Yes, I think they'll return next month.
是的，我想他们下个月回来。