Recent field studies, however, reveal that on divesin the wild, the seal usually heads directly for its prey and returns to the surface in less than twenty minutes.
然而，最近的实地研究显示，在野外潜水时，海豹通常会直接冲向猎物，并在不到20分钟内返回水面。
2
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.
在实验室里，当海豹潜入到水面以下并停止呼吸时，它的心脏跳动得更慢，需要的氧气更少，动脉也会收缩。
3
In her first book, writer and journalist Morgan Jerkins dives into what it means to a black woman in modern society.