Decalcification of dentine
[医] 牙[本]质脱钙
🧩 词语组成解析
n. [化]脱钙(作用)
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 牙质\\n[医] 牙[本]质
🗣️ 情景例句
Is Li Ying in?
李英在家吗？
You have to be on time. Don't be late.
只准早到，不许迟到。
She was in the city to visit her daughter.
她住在农村。