常見例句About half of this cadmium is released into rivers through weathering of rocks and some cadmium is released into air through forest fires and volcanoes.大約有一半的鎘通過石頭的風(fēng)化流入到江河里，還有的隨著森林火災(zāi)和火山爆發(fā)流入空氣中。 返回 air slaking