Calcium sillicate
[机] 硅酸钙
🧩 词语组成解析
🗣️ 情景例句
I don't feel right about it.
我觉得这样不对。
Don't worry about it.
别担心。
Suddenly the door of the storeroom was opened and a man entered.
突然贮藏门开了，一个男人走了进来。