Allantoidea
[医] 羊膜动物类
🗣️ 情景例句
Your room number is 512. Here's your key.
房间号码是512。这是您的钥匙。
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
I know that he's doing his best, but he says that he is a little weak in Chinese.
我知道他非常努力，但他说他的中文有点儿差。