Air quality , dust , litter , odours and vermin are strictly controlled too .

空气质量，灰尘，碎屑，气味和寄生虫也得受到严格的控制。

Your letter tells me that something special is afoot with you , for I find in it so much about paradise and spring and sweet odours and the songs of birds .

您的来信告诉我某些特别的事情正在您身上发生，因为我从中读到了许多关于天堂，春天，甜美的香气还有鸟儿的歌唱的事情。

The team based in two chinese factories and a plant in sri lanka works in areas such as new knitting , printing and dyeing techniques , as well as the development of novel fabric that absorbs odours for use in clothing in hot climates .

这个团队位于中国两家工厂和斯里兰卡的一家工厂，从事新织法、印染技术等领域的研究，以及开发可吸收味道的新面料，用于炎热气候穿着的服装。

It will also reduce waste and odours , and produce a valuable organic fertiliser that is safer than raw manure .

它同时能够减少垃圾和气味，并且产生一种比未经处理的粪便安全许多的有价值的有机肥料。

When presented with hundreds of odours , the nose can simultaneously distinguish only a few .

当面对着上百种气味的时候，鼻子只能同时分辨出其中的一小部分。