Patience and persistence are key to achieving long-term goals.
介导疼痛的分子非常古老,揭示了这种感觉在进化中的深远根源。
解释:树冠大了必然会折断,尾巴大了自然不能摆动,这是你知道的道理。
"The dead are never far from us. They're in our hearts and on our minds and in the end all that matters is love."
我们有责任为子孙后代留下一个比我们发现时更好的地球。