B10 Action selection Place an order.
B10行为选择下订单。
IT is not often that biologists have a chance to watch natural selection in action.
生物学家们不常有机会看到自然抉择是如何进行的。
It's Darwin's principle of natural selection in action.
这是达尔文的自然选择原则的行动。
It's Darwin's principle of natural selection in action.
这是达尔文的自然选择原则的行动。
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