Sinuses praecervicalis
[医] 颈前窦
🧩 词语组成解析
湾, 穴, 窦, 窦房结, 窦道, 鼻窦, 瘘, 瘘管
🗣️ 情景例句
Maybe you can photogragh a class,
也许你来拍一次上课的情形，
What's the area of the Congo in square miles?
在平方英里内刚果的范围是什么？
Since that time, various types of hovercraft have appeared and taken up regular service.
从那以后，各种各样的气垫船出现了，并开始了定期航行服务。