Agron
n. 土壤腐殖质残积层
🗣️ 情景例句
It's shaping up.
进展顺利。
Fire and water are good servants, but bad masters.
水火是忠仆，造灾成元凶。
I was standing at the back, so I couldn't see very well.
我站在后面，看不清。