Cemental decay
[医] 牙骨质腐蚀
🧩 词语组成解析
a. 白垩质的
🗣️ 情景例句
and you can listen to him over the phone.
而且你可以在电话中听到他的声音。
The ox is never woe,till he to the harrow go.
挂耙去耕地，牛才知辛苦。
with, superimposed upon, it the continents, together with the islands and other features of the oceans.
上面附加着大陆以及岛屿和海洋的其他形态。