Prototheria
原哺乳亚纲
🗣️ 情景例句
Canada has the most beautiful waterfalls in the world.
加拿大有世界上最壮观的瀑布。
There's as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
No, I need to talk to the home office.
不，我得先跟总公司谈谈。