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。
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。
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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