Castoroides
大河狸属
🗣️ 情景例句
I'll take this green sweater.
我买这件绿毛衫吧。
A Ph.D. Doctor of Philosophy from Yale.
在耶鲁大学攻读了哲学博士学位。
You must have been driving at seventy miles an hour.
你刚才一定是以每小时70英里的速度开车。