I mean, if you've ever heard the eerie song of the humpback whale [whale song], you know that it don't sound like no spring peeper [frog sound].
的确，你有理由不相信，如果听过座头鲸怪异的叫声，你就会知道那绝不像春雨蛙的叫声。
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Understanding how nature responds to climate change will require monitoring key life cycle events - flowering, the appearance of leaves, and the first frog calls of the spring - all around the world.
Understanding how nature responds to climate change will require monitoring key life cycle event-flowering, the appearance of leaves, the first frog calls of the spring-all around the world.