Microcrystal
n. 微晶(体)
🗣️ 情景例句
Go ahead.
说吧！
When the belly is full, the bones would be at rest.
饱暖图安逸。
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，