Her standard for cleaning toilets is to be odourless and dust-free.

她打扫厕所的标准就是要做到无臭无尘。

When dissolved in water, this substance produces colorless and odourless gas.

这种物质溶入水中会产生无色无味气体。

Experts believe that this odourless gas can damage human lungs and cause breathing difficulties.

专家认为这种无味气体会破坏人的肺，导致呼吸困难。

The gases are odourless.

这些气体没有气味

Pure air is colourless and odourless.

纯空气是无色无臭的。

The gases are odourless.

这些气体没有气味。

The hunt for the odourless pig.

the hunt for the odourless pig猎寻无气味的猪barnyard externalities。

Odourless, with acerbity.

无臭，有涩味。

It is a white crystalline and odourless powder.

它是一种白色结晶粉末，无气味。