Calcium fluorosilicate
[化] 氟硅酸钙
🧩 词语组成解析
氟硅酸盐
🗣️ 情景例句
Smokers pollute the air.
吸烟污染空气。
Can you keep an eye on the baby while I go shopping?
你能否在我上街买东西的时照看一下孩子？
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。