However, when two monkeys were placed in separate but adjoining chambers, so that each could observe what the other was getting in return for its rock, their behavior became markedly different.
然而,当两只猴子被放置在不同但相邻的房间里,以便让它们观察到对方用石头换来了什么时,它们的行为就变得明显不同了。
You might think that this is due to its rock solid stability.
你或许认为这是因为linux那岩石搬坚固的稳定性造就的。
A least tern checks on its rock-colored eggs on a Gulfport, Mississippi (map), beach on Saturday.
上周六,密西西比海湾港的一处沙滩上,一只小燕鸥正在检查自己布满斑点的蛋。
The Rock and Roll Hall of Fame is celebrating its twenty-fifth anniversary with two concerts later this month in New York City.
VOA: special.2009.10.19
So the city is proud of its latest nickname, The Rock and Roll Capital of the World.
VOA: special.2010.03.21
Looking down at a piece of the famous rock, Cari Corrigan suggested its historic importance.
VOA: special.2010.07.28
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