Sinuses sphenoidalis
[医] 蝶窦
🧩 词语组成解析
湾, 穴, 窦, 窦房结, 窦道, 鼻窦, 瘘, 瘘管
🗣️ 情景例句
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
Delivery has to be put off due to the strike of the workers at the port.
由于港口工人罢工，交货只好推迟。
Any reason?
有什么理由吗？