如果一个有机体的环境条件偶尔或经常变得严酷,它可能是有利于这个有机体在生命周期中形成一个抗性阶段的内建。
If conditions within an organism's environment occasionally or regularly become harsh, it may be advantageous for an organism to have a resistant stage built into the life cycle.
我们需要创造一个有利于生意兴隆的环境气氛。
有些植物甚至可以在雪线以上的有利的微环境中生存。
Some plants can even survive in favorable microhabitats above the snow line.
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