Rami dentales inferiores
[醫] 下牙支
?? 詞語組成解析
ramus 的復數
??? 情景例句
At six o'clock this evening.
今晚六點。
It is a small flock that has not a black sheep.
家家難免有敗類。
What colour are they?
什么顏色的呢？