Each "pebble" in a pebble-bed gas reactor is a graphite fuel sphere the size of a tennis ball.
在一个球形气体反应堆里的每一个“小球”都是一个网球大小的石墨燃料球。
2
Might it be possible to induce a black hole to release all its Hawking radiation sooner, so that in effect it becomes like a ball of fuel?
是否可以诱使一个黑洞加快辐射速度，从而变成一个事实上的燃料之球呢？
3
The early morning sun was a blinding ball of fire in the sky, and the hot air shimmered as it rose off the long queue of fuel trucks that snaked the curve and disappeared over the rise beyond.