Phytaeron
空中微生物(群落)
🗣️ 情景例句
How do you find the answers?
你觉得这些答复如何？
They only want to solve domestic problems.
他们只希望解决国内的问题。
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？