cars give off garmful gases这里能用gas吗

cars give off garmful gases这里能用gas吗 give.off. give off give about 和 give off ] give out give off give away give some time off give off造句 give in;give 有没有give off和put off, give off give out give up give in 怎样区别give out、give up、give off、give away 请问：give off的意思? give off和give outflower____ smile.为什么要填give off 而不能填give out? give off ,give to ,give away的区别 Nobody could have failed to notice the fact thatenvironment have become a grave problem with which modern citizens areconfronted.With the development of industry andagriculture,cars give off poisonous gas.Trees on the hills have been cutdown,and wast give out ,give off ,give away give in give up,的意思与区别 翻译take off .take away.take out .give off give a ride 和 go off造句 Never give up!Never back off!