Each of these used mini rockets to spin and eject outward four discs the size of ice-hockey pucks.
每枚子弹药利用微型火箭旋转射出冰球大小的4个盘状炸弹。
Their proposal is to surround each light aircraft with two concentric, vertical cylinders of airspace that resemble virtual "hockey pucks" .
他们的方法是，在每一架小型飞机周围，以飞机为中心，设想一两个同轴的垂直圆柱体，像两个冰球的形状。
But having dissected spent espresso pucks, the scientists knew that water doesn't percolate evenly through the grounds.
但经解剖用偷咖啡，科学家知道水并不均匀渗滤液通过的理由。
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