harmful

有害的adjadj

1 harmful gas有害气体

2 harmful effect不良影响；有害效应

3 harmful bacteria有害细菌；病菌

4 harmful substance有害物质

5 harmful chemicals有害化合物

6 harmful factor有害因素

7 harmful interference有害干扰

1 真题例句...and its harmful effects on productivity are well documented...第三套CET42014.12阅读理解

2 真题例句...Sugar is far more harmful to health than fat and salt...第一套CET42014.12阅读理解

3 真题例句...Attracting numbers of birds continually to the same spot can be harmful to them...CET42009.6听力题

1 the harmful effects of smoking.吸烟的害处