At the bottom there is a drain hole edged with a brass eyelet.

在底部有一个镶了黄铜小孔的排水孔。

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The gas will swirl around the black hole like water circling a drain.

黑洞周围的气体会如同水池排水时候的水一样形成漩涡状。

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Put a bucket under the hole in the drain pipe to catch any overflow.

在排水管的那个洞下放个水桶接住漏出的水。

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Put a bucket under the hole in the drain pipe to catch any overflow.

在排水管的那个洞下放个水桶接住漏出的水。

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