Water is not only colourless, but odourless as well.水不仅没有颜色，也没有气味。The gases are odourless.这些气体没有气味。...a completely odourless, colourless, transparent liquid...完全无味、无色、透明的液体Hydrogen is a corlourless, odourless gas.氢气是一种无色...
Hydrogen is a corlourless, odourless gas.氢气是一种无色 、 无味的气体.Pure air is colourless and odourless.纯空气是无色无臭的.Our new product will keep your bathroom clean and odourless.我厂新产品能保持您的浴室洁净无味....