And then ultimately, it's not really possible to make electric rockets, but you can make the propellant used in rockets using sustainable energy.
最终，制造电动火箭是不可能的，但你可以使用可持续能源制造火箭中使用的推进剂。
Electric rocket
原声例句
TED演讲（视频版） 2022年4月合集
英语百科
Electrically powered spacecraft propulsion
An electrically powered spacecraft propulsion system uses electrical energy to change the velocity of a spacecraft. Most of these kinds of spacecraft propulsion systems work by electrically expelling propellant (reaction mass) at high speed, but electrodynamic tethers work by interacting with a planet's magnetic field.
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