emission [iˈmɪʃn]以下由轻松背单词网站提供
单词级别第7级基本释义n.发出物,散发物;发出,散发英英释义when gas , heat , light , etc . is sent out参考例句Rigorous measures will be taken to reduce the total pollutant emission. 采取严格有力措施,降低污染物排放总量。Finally, the way to effectively control particulate emission is pointed out. 最后,有效降低颗粒排放的方法被提了出来。 推荐阅读 |