Cemental decay
[医] 牙骨质腐蚀
🧩 词语组成解析
a. 白垩质的
🗣️ 情景例句
I expect that I will be back on Sunday.
我预计星期日回来。
If you sell the cow, you sell her milk too.
蚀了本也输了利。
Plumtree-that's a small village not far from Sydney. What about you? You're from England, aren't you?
普拉姆特里--那是个离悉尼不远的小村庄。你呢？你是英国人，对吗？