Panplanation
溶夷作用
🗣️ 情景例句
He owes his wealth to diligence and good luck.
他的财富是由于他的勤劳和幸运。
The mining area is centered large in the north.
那里的采矿区大部分集中在北部。
Tie a heavy weight at the end of a long piece of string.
把一个重物拴在一根长绳子的一端，