当斯平克斯进来的时候，他们都转过来看着他。
这个世纪所有的物理学家都意识到：我们通常的两极观念或黑白对立的观念在我们和大自然合作的时候是不适当的。 头一个线索就是：当他们问从屋外进来的光，“你是粒子吗？”
Physicists for all this century have realized that our usual notion of bipolar or black &white opposites was insufficient when working with nature.
孩子们一直在泥地里玩。当他们走进来吃午饭时，全身都脏透了。
The children had been playing in the mud, and they were as black as the ace of spades when they came in for lunch.
孩子们一直在泥地里玩。当他们走进来吃午饭时，全身都脏透了。
The children had been playing in the mud, and they were as black as the ace of spades when they came in for lunch.
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