Diprotodonta
双门齿目
🗣️ 情景例句
I'm a graduate of Harvard University.
我是哈佛大学的毕业生。
The husband has built a doghouse for his dog.
丈夫为爱犬建造了狗屋。
She struck the keys too hard and two of the strings were broken.
她在击琴键时用力过猛，损坏了两根琴弦。