Calsil
硅酸钙盐
🗣️ 情景例句
That's music to my ears.
正合我意。
The man mines coal where day seems like night.
这个人在即便是白天也犹如晚上的地方开采煤炭。
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。