But plants can't access the most prevalent form of nitrogen on the planet, the 78 percent of the air that you're currently breathing that is molecular dinitrogen.

但植物无法利用地球上普遍氮形态——你此刻呼中占78%分子态氮。

The crew was delayed from leaving the capsule initially because technicians detected unacceptable levels of dinitrogen tetroxide, one of the two fuels used in Crew Dragon, coming from the service section of the capsule.

机组初被推迟离开太舱， 因为技术检测到来自太舱服务部分四氧化二氮（Crew Dragon 中使用两种燃料之一） 含量不可接受。