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
One o'clock.
一点钟。
Which one do you want to buy?
你买哪一个？
Hasn't Mary told you?She invited Charlotte and me to dinner this evening.
玛丽没有告诉你吗？她邀请我和夏洛特今晚去吃饭。