Rflp
[化] 限制片长多态性
🗣️ 情景例句
How did the accident happen?
事故是怎么发生的？
I'd like to reserve a sleeper to chicago.
我要预订去芝加哥的卧铺。
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，