Phthalyl
邻苯二酰, 酞酰
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
Whom will you invite to the picnic?
你将邀请谁参加野餐？
supplying the rocket fuels for its ships,
作为航天飞船的燃料。