Afterwards he found a sunspot group which lived long enough to disappear from view on the western limb of the sun, to reappear on its eastern limb, and finally to regain its old position.
后来,他发现了一个太阳黑子群,它存在时间很长,从太阳的西边消失,又在东边出现,最后又回到原来的位置。
By this time the moon was shining brightly, and the engine - driver, steadying himself on the coal, could command a view of the line behind them for a long distance.
这时,月亮照耀得通明,司机设法在煤堆上站稳了,可以看清他们后面长长的路轨。
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