Hypodontia
牙發(fā)育不全
??? 情景例句
Why is that?
為什么？
We should require a survey report, so that we may know the extent of the damage.
我們將要求出具檢驗報告，以便我們能了解損壞的程度。
Both of them are exciting. I like watching them. Are you good at sailing?
這兩種運動都令人興奮。我喜歡看。你擅長帆船嗎？