Sterlet
[动]小体鲟(产于里海)
🗣️ 情景例句
with the school board,
和联合校董会一起，
I'm not sure what time I'm coming back.
我不肯定我什么时间回来。
It is only 380,000 kilometres away, and it has been visited by man already.
已经有人到过月球旅行了。