Phocidae
海豹科
🗣️ 情景例句
First, we have to decide where to live.
首先 ，我们得决定住在哪里。
What do you know about the tenth century?
有关十世纪的事你知道些什么？
Mrs.Richards sent her children to school and went upstairs to her bedroom.
把孩子送去上学，然后来到楼上自己的卧室。