有时会造成危险，甚至危及生命。
然而，在当今这个新时代里，服用抗生素可能会造成一些非常危险、甚至可能危及生命的情况。
However, today is a new era in which taking antibiotics can cause some very dangerous and potentially life-threatening situations.
我们之前提到了世界各地热带地区中珊瑚礁的衰落，即自然和人为（造成的）压力是怎样造成珊瑚礁退化，或者甚至在某些情况下，造成它们死亡的。
We've been talking about the decline of coral reefs in tropical areas all over the world—how natural and man-made stresses are causing them to degrade or in some cases, to die.
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