Hydrogen is a colorless, odorless gas.
氢气是一种无色、无味的气体。
Helium is a colorless and odorless gas.
氦是一种无色无味的气体。
When you smell an odorless gas, it is probably carbon monoxide.
你闻到一种没有味道的气体时，那可能就是一氧化碳。
Hutchinson is annoyed, but says they're planning on gassing the brothers out floor by floor; they're using a colorless, odorless gas.
汉金森觉得他烦人，但还是告诉了他，警方将一层一层地用气体把他们俩兄弟熏出来，警方使用的是无色无味的气体。
A colorless, odorless gaseous alkane, C2H6, that occurs as a constituent of natural gas and is used as a fuel and a refrigerant.
乙烷一种无色无味的气态链烷，分子式为c2h6，是天然气的组成成分，可用作燃料或。
Under normal atmospheric conditions, carbon dioxide exists as a colorless, odorless gas which is about 1.5 times heavier than air.
在正常大气压下，二氧化碳是无色无味气体，密度比空气大，是空气的1.5倍。
Even as Muscovites choked under a blanket of thick smoke in the first week of August 2010, concentrations of a colorless, odorless gas spiked to dangerous levels.
2010年8月的第一周，当莫斯科市民在一片厚厚的烟尘之下咳嗽不止时，一种无色无味的气体的大气浓度已经到达了危险的水平。
Install a CO detector to alert you of the presence of the deadly, odorless, colorless gas.
安装一氧化碳检测器来警告是否存在这种致命的、无色无味的气体。
Methane is a colorless, odorless and flammable substance which forms a major component in natural gas.
甲烷是一种无色，无味，易燃物质，是天然气的重要组成部分。
An odorless, colorless, tasteless gas that you know as natural gas.
甲烷是一种无色无味的气体，大家都知道这是一种天然气。
When carbon unites with oxygen, it forms a colorless, odorless, and tasteless gas called carbon dioxide, which is heavier than air and will extinguish a flame.
当碳与氧结合形成一种无色、无味、无嗅的气体叫做二氧化碳，它比空气重，可以灭火。
Learning how to safely harness the invisible, odorless resource took some time. Many a building was blown to matchwood because of leaking gas. In 1908, a mattress factory exploded.
学习如何安全使用这种无形、无味的资源需要时间。很多建筑因为漏气而被炸成碎片。1908年，一家床垫厂发生爆炸。
A colorless, odorless, highly poisonous gas, co, formed by the incomplete combustion of carbon or a carbonaceous material, such as gasoline.
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 toxic gas, colorless, odorless, tasteless, and initially non-irritating, is very difficult for people to detect.
是一种有毒气体，无色无味，最初无刺激性，人们难以发现。
Colorless, odorless non-flammable, inert compress gas.
无色，无味，不燃，惰性，压缩气体。
Nitrogen trifluoride (NF3) is a toxic, colorless, odorless, nonflammable, oxidizing compressed gas.
三氟化氮(NF 3)是有毒、无色、无嗅、不可燃的氧化性压缩气体。
Nitrogen trifluoride (NF3) is a toxic, colorless, odorless, nonflammable, oxidizing compressed gas.
三氟化氮(NF 3)是有毒、无色、无嗅、不可燃的氧化性压缩气体。
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