Calcium fluosilicate
[化] 氟硅酸钙
🧩 词语组成解析
[机] 氟硅酸盐
🗣️ 情景例句
He has been friendlier lately.
他近来更友好了。
I guarantee.
我保证。
He then asked when Mr.Gilbert would be allowed to go home and the doctor told him that he would have to stay in hosptial for another two weeks.
然后他又问吉尔伯特先生什么时候可以回家，医生说他在医院还必须再住上两个星期。