One substance isolated from the skin secretions of the Foothill Yellow-legged Frog shows promise for killing superbug.

从黄腿蛙的皮肤分泌物中提取出来的一种物质有望杀灭超级细菌。

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They claimed to have isolated a substance from the cerebrospinal fluid of dogs that had been deprived of sleep for 6 to 15 days.

他们俩从有6至15个小时没有睡觉的狗的脑髓液中分离出一种物质。

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They connect isolated, troubled people to medical and psychological care, substance abuse treatment, and shelter.

他们连系孤独的、有麻烦的人们，送到医疗与精神照料、实质虐待治疗与庇护所。

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The 35 people exposed to the substance would be isolated until later in the day to "err on the side of safety, " said Capt.

CNN: Subway checked for hazardous material; none found