Antrum
n. 窦, 房\\n[医] 窦, 房
🗣️ 情景例句
For when we build our campfire.
用来生营火的。
I can give you quarters, if that'll help.
如果2角5分的硬币管用的话，我可以给你换一些。
Travellers on short trips to areas with water supplies of uncertain quality should avoid drinking tapwater, or untreated water from any other source.
短途旅行到水质不保险的地区时，应避免饮用水龙头的水或未经处理任何其他来源的水。