While nitrous oxide is a powerful greenhouse gas, when it's burned as rocket fuel, the only byproducts are hot oxygen and nitrogen.
虽然氧化氮是种温室效应气体，但当用作火箭燃料燃烧时，排出的副产品仅仅是热氧气和热氮气。
2
Malaysia will send its first astronaut into the heavens aboard a Russian rocket next year and attempt for the first time to make the nation's favourite hot drink, teh tarik, in space.