Chroococcales
蓝球藻目
🗣️ 情景例句
It's not easy being away from home.
离家独闯不容易。
Why are you so excited?
你为什么这样兴奋？
Both! American spellings are used more and more in Canada now.
两种都用！现在在加拿大人们越来越多的采用美国拼法了。