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
When you learn a new verb, learn its various forms.
学到了新动词时，记住它的各种形式。
But we cannot afford to depend on tradition alone.
但是我们不能靠吃老本过日。
Yes, your last shipment wasn't up to par.
嗯，你上次送去的货没有达到标准。