Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction.
从水中迁移到陆地上，涉及到生活的方方面面的重大改变，包括呼吸和繁殖方式。
2
Tanya Streeter's passion is freediving—the sport of plunging deep into the water without tanks or other breathing equipment.
坦尼娅·斯特里特的爱好是自由潜水——这项运动是在没有水箱或其他呼吸设备的情况下潜入水中深处。
3
In the laboratory, when the seal dives below the surface of the water and stops breathing, its heart beats more slowly, requiring less oxygen, and its arteries become constricted.