emissions 是 emission 的复数emissionKK [ɪˋmɪʃən] /ɪˈmɪʃən/发音名词1排放、排放量常用复数The new law aims to cut carbon emissions by half.新法律的目标是将碳排放量减少一半。2排放物、废气Factory emissions have polluted the river for decades.工厂的排放物已污染这条河数十年。3发射、散发、放出Scientists measured the emission of light from the crystal.科学家测量了晶体发出的光。4发行正式The bank announced the emission of new bonds next month.银行宣布下个月发行新债券。用这个字练口说→