Anabaena
n. 淡水藻类的一种, 项圈藻
🗣️ 情景例句
How much time will it take for my mail to get to where it is going?
我的信件到达它要去的地方要用多少时间？
Out of sitght, out of mind.
眼不见，心不想。
He set up a fine example to all of us.
他为我们树立了一个好榜样。