Didelphid
负鼠
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
I don't know how to work the machine.
我不懂得怎样使这部机器运转。
Look at this photo of Lily.
看莉莉的这张照片。