Anticalculous
[医] 抗石的, 防牙垢的
🗣️ 情景例句
How can anybody get a word in around here?
在这里谁有机会插话呢？
What kind of talk is that?
你说这什么话？
I don't know whether you realize it, but this condition is essential to us.
我不知道你是否了解，但是，这个条件对我们是必要的。