甲烷是一种无色，无味，易燃物质，是天然气的重要组成部分。
Methane is a colorless, odorless and flammable substance which forms a major component in natural gas.
一种无色、无味、毒性大的气体，CO，由于碳或含碳物质如汽油的不完全燃烧而形成。
A colorless, odorless, highly poisonous gas, co, formed by the incomplete combustion of carbon or a carbonaceous material, such as gasoline.
硼砂也叫粗硼砂，是一种既软又轻的无色结晶物质。
Borax also called coarse borax, is a kind of both soft and light colorless crystalline substance.
该发明提供了一种可熔性物质，可与任何或用来创建图像，也可作为一种无色液体使用前应用所有的彩色油墨结合或邮寄印刷。
The invention provides a fusible material that may be combined with any or all of the color inks used to create the image, or it may be used as a colorless fluid applied pre - or post-printing.
染发剂中含有一组无色无毒的醇类物质，它们对染料和头发的化学反应是惰性的。
Hair dyes contain a group of alcohols which are colorless, non-toxic and chemically indifferent to the dye and the hair.
采用天然高分子物质壳聚糖、 海藻酸钠为壁材，无色染料油溶液为芯材，通过复合凝聚法制备纸用微囊。
The microcapsule used for paper was prepared using nature macromolecule material sodium alginate and chitosan as wall and a colorless dye oil as core by complex-coacervation.
事实上它们所含的天然香精与化学物质都是无色的。
Actually, the natural flavor essences and the chemicals they contain are colorless.
事实上它们所含的天然香精与化学物质都是无色的。
Actually, the natural flavor essences and the chemicals they contain are colorless.
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