Dignathus
[医] 双[下]颌畸胎
🗣️ 情景例句
Good-bye, Dean Rafer.
再见， Rafer主任。
I have too much work to do to take time off for fun and games.
我工作多得没有游戏玩乐的时间。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，