Praseolite
绿堇云石
🗣️ 情景例句
I'll come and give you a hand tomorrow.
我明天来帮你忙。
Well, I'm sorry you have to leave so early.
哦，很遗憾，你非得这么早走不可。
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，