Airstones
(airstone 的复数) [医]砂滤多孔石, 气石
🗣️ 情景例句
The pleasure is all mine.
这是我的荣幸。
Over my dead body!
宁死不从！
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。