Microtektite
n. 微玻陨石( 海洋深处沉积物中发现的一种极微小的玻陨石)
🗣️ 情景例句
No, thanks.
不用了， 谢谢。
I often go out in the morning.
我常常在早上出门。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。