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
Let's lake this one step at a time.
做这事我们要一步一步来。
All of us hope that you will enjoy yourselves.
我们全体人员祝大家过得愉快。
But a watch could never repair itself----it does not consist of living parts,
但是，手表决不会自行修理，它不是由有生命的部件组成，