Mesonephritic sinuses
[医] 中肾窦
🧩 词语组成解析
湾, 穴, 窦, 窦房结, 窦道, 鼻窦, 瘘, 瘘管
🗣️ 情景例句
Yes, I am.
是的，我是。
Are there reserved seats on the train?
车上有预订座位吗？
Is that all? He doesn't say very much,does he?
就这些吗？他没写许多，是吗？