Heterosiphonales
异管藻目
🗣️ 情景例句
Do you have smokers' toothpaste?
你这儿有吸烟者用的牙膏吗？
How many slices are you going to use?
你要用几片？
One third of this area is covered with forest.
这一地区三分之一的地方都是森林。