Echinite
n. 海胆化石
🗣️ 情景例句
Lincoln Center, home of the Metropolitan Opera,
林肯中心 ，大都会歌剧团，
What is the total circulation of this newsletter.
这份新闻通讯总发行量多少？
'I'll tell you where to get off.' answered the conductor.
“我来告诉您在哪儿下车，”售票员回答说。