Bacillariophyta
硅藻门
🗣️ 情景例句
What'd you have in mind?
你心里有什么打算？
I am sorry to keep you waiting.
真抱歉，让你久等了。
It repeated these circles over and over again.
它首先向右飞一个圆圈，然后向左飞一个圆圈。