Antrum
n. 窦, 房\\n[医] 窦, 房
🗣️ 情景例句
What are you doing this weekend?
你本周末打算干什么？
Cleanliness is next to godliness.
清净近乎神圣。
Both men had just begun to swim towards the shore, when they noticed with dismay that the speedboat was moving in a circle.
两个人刚开始向岸边游去，就突然惊愕地发现快艇正在转着圈行驶，