尾气

One is acid rain , which is created by the millions of tones of sulphur dioxide and nitrogen oxides spewed out of North American smokestacks and automobile exhaust pipes.

其一是酸雨，它是由二氧化硫和氮氧化物产生的数百万吨2250北美烟囱和汽车尾气混合氧化物出。

Aalborg Industries - a Global Company The world's leading supplier of marine boilers and related equipment for all types of commercial vessels.

巴斯夫催化剂有限公司是巴斯夫旗下的全资子公司，主要业务为汽车尾气催化剂的生产和销售，市场份额名列全球前茅。关于巴斯夫巴斯夫是全球领先的化工公司——The Chemical Company。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。