Microtopography
n. 微(地)貌(指材料或地球等天体局部的表面特征)
🗣️ 情景例句
I'm glad to have met you.
非常高兴认识你。
If he doesn't , will you take one?
如果他不，你会拿一个吗？
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。