Diprotodont
雙門牙型, 雙門齒型
??? 情景例句
I just took the wrong train.
只是我坐錯了車。
To youth I have but words of counsel -- work, work, work.
對青年人，我要奉勸幾句話∶工作，工作，再工作。
Please give my best regards to your family.
請代我向你們全家致以最誠摯的問候。