作家苏珊·尤因在《伟大的阿拉斯加自然概况》中写道，“鲑鱼从阿拉斯加涌出，就如同血液从心脏流出，给土地、动物和人类带来了节奏，传递了营养。”
"Salmon," notes writer Susan Ewing in The Great Alaska Nature Factbook, "pump through Alaska like blood through a heart, bringing rhythmic, circulating nourishment to land, animals and people".
大多数人可以轻易忍受这些压力，但是患有心脏病的乘客可能会因血液中氧气的减少而感到胸痛。
Most people can tolerate these pressures pretty easily, but passengers with heart disease may experience chest pains as a result of the reduced amount of oxygen flowing through their blood.
当我们感到兴奋或生气时，我们的心脏会向面部输送更多的血液，皮肤中的色素就会变红。
When we feel excited or angry, our heart can send more blood to the face and the pigments in the skin become red.
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