Trichechiformes
海牛形亚目
🗣️ 情景例句
Sure ... and a little scared.
当然……还有一点紧张。
The history paper was really easy, so was the biology one.
历史试题确实容易，生物试题也很容易。
Well done, everyone! she smiled.
“你们个个表现出色！”她笑了