Elevated levels of both these chemical lead to heightened alertness and stimulate the forlorn animal to call for help and search for its abandoner-generally its mother.
这些化学反应同时升级便会导致人们提高警惕，并且刺激那些被遗弃的动物去寻找帮助，以及去寻找他们之前抛弃的人-常常是他们的妈妈。
Elevated levels of both these chemical lead to heightened alertness and stimulate the forlorn animal to call for help and search for its abandoner-generally its mother.
这些化学反应同时升级便会导致人们提高警惕，并且刺激那些被遗弃的动物去寻找帮助，以及去寻找他们之前抛弃的人-常常是他们的妈妈。
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