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
Yes, it does.
是的 ，确实如此。
The days are getting longer.
白天越来越长了。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？