氢气的英文：
hydrogen (gas)
Hydrogen is lighter than oxygen.
氢气比氧气轻。
They may decompose glucose into hydrogen, carbon dioxide and methane
它们能把葡萄糖分解成氢气、二氧化碳和甲烷。
The permeation constant of gases through metals is negligible except for hydrogen through palladium or iron.
除了氢气能穿过钯和铁之外,气体穿过金属的透气常数是可以略而不计的。
Hydrogen has no colour no taste and no smell.
氢气无色、无味、无嗅。
Water is said to consist of oxygen and hydrogen .
据说水由氢气和氧合成。
…calculate the number of atoms in a cubic centimeter of hydrogen.
计算一立方厘米氢气中的原子数量。
To some extent, it transfered water to hydrogen.
在一定程度上，它让水转变成了氢气。
The gas tank could be idled with this metallic hydride and the hydrogen driven off by heat as needed.
煤气箱可以贮装金属氢化物，需要时可加热使氢气放出。
The hydrogen in the gauge is ionized by electron emission from a heated cathode
在离子计内的氢气是用一个加热阴极放射电子来电离的。
Refinery gas is mostly methane and hydrogen produced as a by-product in the many refining processes.
炼厂气是许多炼油过程中产生的副产品，主要是甲烷和氢气。
n. 氢
hydrogenated shortening
氢化酥油
Hydrogen has no colour no taste and no smell.
氢气无色、无味、无嗅。
Water is composed of hydrogen and oxygen.
水是由氢氧组成的。
Water contains hydrogen and oxygen.
水含有氢和氧。
Hydrogen and oxygen are gases.
氢和氧是气体。
n. 气体；煤气；毒气；汽油
v. 放出气体；加汽油；用毒气杀伤（人）
development of gas
放出气体；放出毒气
This gas mask can immunize you against poison gas.
防毒面具能使你免遭毒气袭击。
long-distance gas
远程供应的煤气[天然气]
gas evolution analysis
气体放出分析
gas | boast | bragging
吹牛[吹大炮