Postpermanent teeth
[醫(yī)] 恒牙后期牙
?? 詞語組成解析
teeth
[ti:θ]
n. 牙( tooth的名詞復(fù)數(shù) );齒;齒狀部份;致力于（ 有難度的事）;tooth的復(fù)數(shù)形式;（組織、法律等）強(qiáng)大有效;不顧危險(xiǎn)（或反對(duì)等）;
??? 情景例句
It's bright and clear today.
今天天氣晴空萬里。
You can't make omelets (or omeletts) without breaking eggs.
有失才有得。
What did you do at the meeting?
你們?cè)跁?huì)上做什么呢？