Echinus
n. 海胆
🗣️ 情景例句
Nope.
不会。
We went to a concert last night to hear the symphony orchestra.
我们昨晚去了一个音乐会听交响乐乐队演奏。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？