- to being bigger than dinosaurs.
变得比恐龙还大 - With each giant breath,
通过大口呼吸 - they use oxygen far more effectively than Maiacetus.
它们利用氧气的效率远高于慈母鲸 - And being warm-blooded,
而且由于是温血动物 - their muscles are always at a temperature for maximum performance...
肌肉始终保持在最佳性能的温度 - ...allowing the whales to generate sustained bursts of energy.
所以能够产生持续的能量爆发 - When competing for a mate,
在争夺配偶的时候
And being warm-blooded, 而且由于是温血动物
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