1.a colorless gas with a strong fishy smell; used as a pesticide.
一种无色气体，有强烈的鱼味，用作杀虫剂。
2.Hydrogen sulfide is a colorless gas that smells strongly of rotten eggs and is produced naturally by the decomposition of organic matter.
硫化氢是无色气体，味道强烈，闻起来臭鸡蛋。是一种自然产生的有机物质。
3.The colorless gas in which fire can burn better is called oxygen.
火可以在里面充分燃烧的那种无色气体叫做氧气。
4.cyclopropane: a highly flammable , explosive, colorless gas, CH, sometimes used as an anesthetic.
环丙烷：一种极易燃易爆的无色气体，CH，有时用作一种麻醉剂。
5.The colorless gas without which we cannot live is called oxygen.
这种无色的、离了它我们不能活的气体就是氧气。
6.The first member of the alkene series is a colorless gas with a characteristic sweetish odor.
第一个成员的系列产品是一种无色气体中以特征且气味。
7.Install a CO detector to alert you of the presence of the deadly, odorless, colorless gas.
（1）、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。
8.colorless gas found in natural gas and petroleum; used as a fuel.
一种无色气体，见于天然气中，用作燃料。
9.a colorless gas that yields hydrobromic acid in solution with water.
一种无色气体，与水相溶产生氢嗅酸。
10.A colorless gas, C3H8, found in natural gas and petroleum and widely used as a fuel.
丙烷无色气体，化学式为C3H8，存在于天然气和石油中，广泛用作燃料。