Phenanthryne
[化] 菲炔
🗣️ 情景例句
Don't interfere in other people's affairs.
别干涉他人的事。
Coming events cast their shadows before them.
山雨欲来风满楼。
Similarly, our own present primitive chemical rockets, though good enough to orbit men,
同样，我们目前使用的原始化学火箭，虽然可以把人送入轨道，