Saprobia
[医] 污水生物
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
You go first. I'll catch up later.
你先走，我随后就到。
Only in a sparsely-populated rural community is it possible to disregard it.
只有在人口稀少的农村，才可以忽视准时的习惯。