Fluorated
氟酸盐\\n氟化
🗣️ 情景例句
More tax cuts are in the cards.
看来会进一步减税。
Poverty on an old man's back is a heavy burden.
老而贫穷，负担沈重。
If parents were prepared for this adolescent reaction,
如果家长对青少年的这种反应有思想准备，