Ethmoidotomy
[医] 筛窦切开术, 筛窦开放术
🗣️ 情景例句
You had better study hard.
你最好努力学习。
Can you imagine what it would be like to live without electricity?
你能想象出生活中没有电会是怎么样的一种情形吗？
sometimes as much as twelve feet in length.
有时长达12英尺。