Karst
n. 喀斯特(区)
🗣️ 情景例句
Charley was the star of the team.
Charley，是当时队里的明星。
A hot story is waiting in the city!
在市内有热门的消息等着我们。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。