Even the strongest odors fade with constant exposure .

最浓重的气味也会在持续的接触中消失。

For smells , technology to re-create specific odors is being developed .

至于气味，重现特殊气味的科技也正在开发中。

But how big would the device have to be to generate thousands of odors ?

可是，要是能产生数千种气味，这个设备得有多大啊！

Of that dense drouth those warm and heavy odors that piercing fragrance he alone was aware .

那浓郁的赤旱之气里的浓烈的热臭与刺鼻的芳香，只有他一人能感觉到。

Using harsh chemicals to remove stains and odors isn 't good for the environment and can be irritating to your eyes and respiratory system .

使用强力化学品去除污渍和异味对环境不好，而且会对双眼和呼吸系统造成刺激。