For example, no matter how much a dancer wishes to leap off the floor and then start turning, the law of conservation of angular momentum absolutely prevents such a movement.

例如，无论一个舞者多么想要跳离地板，然后开始旋转，角动量守恒定律绝对阻止这样的动作。

youdao

“There won't be a conservation movement 30 years from now if there's no love for nature,” he says.

但是他说：“从现在起30年内，如果人们不对大自然加以爱护，就不会有任何保护行动。”

youdao

"There won't be a conservation movement 30 years from now if there's no love for nature," he says.

但是他说：“从现在起30年内，如果人们不对大自然加以爱护，就不会有任何保护行动。”

youdao

Kenyan national Wangari Maathai won the 2004 Nobel Peace Prize for her work in the Green Belt Movement, an organization that engages in tree-planting activities and environment conservation.

VOA: standard.2010.02.24

In recent years, liberals who reject traditional social values have come to dominate the conservation movement.

CNN: When helping Earth was women's work

Conservation is a much higher priority than it was in the 1960s and 1970s, when the modern conservation movement began in earnest.

FORBES: Conservation International: Stemming the Tide of Environmental Crises, Part One

At the same time, a conservation movement has begun to gather momentum.

ECONOMIST: Alexandria