Fluoridation
[医] 氟化
📖 牛津释义
fluoridation
n[U].
🗣️ 情景例句
It's my fault. I really feel bad about it.
是我的错。 我真的感到很难过。
She's a beautiful girl, don't you think so?
她是美丽的女孩，你不觉得吗？
$68,500.
68，500英镑。