Collimate
vt. 校准, 使成平行
🗣️ 情景例句
and how important it is for them to be paid attention to?
以及他们何等需要受人关怀吧？
I'd be happy to help you in any way I can.
我高兴尽我所能以任何方式帮助你。
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，