Microfracture
微裂逢
🗣️ 情景例句
In every marriage,
婚姻中，
If you sell the cow, you sell her milk too.
蚀了本也输了利。
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，