因为这个信奉“细菌从体外侵入人体”的新学说使得医学和药物制造工业理所当然地成为人类和动物健康的守护者。
This new theory about germs invading from outside the body empowered the medical and pharmaceutical industry as guardians of human and animal health.
但是，海洋守护者并未就此退缩。广为人知的动物星球频道《援鲸战役》记录的正是他们的真实故事。
Yet Sea Shepherd - the subject of the popular Animal Planet reality show Whale Wars - isn't holding back.
图腾：一种动物、植物或自然物体，在某一部落或传统民族中作为一氏族或家庭的象征，有时被尊为其创建者、祖先或守护者。
Totem: an animal, a plant, or a natural object serving among certain tribal or traditional peoples as the emblem of a clan or family and sometimes revered as its founder, ancestor, or guardian.
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