Serumal tartar
[医] 牙根垢, 龈下垢, 血原性结石
🧩 词语组成解析
[医] 血清的
n. 酒石, 牙垢, 鞑靼人\\na. 鞑靼的
🗣️ 情景例句
They're coming by at six tomorrow morning,
他们明天早晨六点钟过来，
I don't want to put you to any trouble.
我不想麻烦你。
We'll have to talk it over some more.
这个我们还得再谈一谈。