Piriform sinuses
[医] 梨状隐窝
🧩 词语组成解析
[医] 梨状的, 梨形的
湾, 穴, 窦, 窦房结, 窦道, 鼻窦, 瘘, 瘘管
🗣️ 情景例句
Definitely.
没问题。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
What colour is it?
什么颜色的？