Sinus paranasales
鼻旁窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
That's all right.
没关系。
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。