Analcimization
方沸石化
🗣️ 情景例句
Passport please.
请出示你的护照。
He took two weeks off in August.
他在八月份休假两星期。
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。