“它们仍然活着,但不浪费任何气力四处游动,它们不繁殖”,发现这种细菌的布莱恩舒伯特告诉奇妙的地球杂志,“它们除了保存自己其他什么也不做。”
They're not reproducing, " Brian Schubert, who discovered the bacteria, told OurAmazingPlanet. "They're not doing anything at all except maintaining themselves."
老虎保护区并不繁殖老虎,非常关注老虎的保护和福祉。
The sanctuary does not breed tigers and is wholly concerned with the conservation and wellbeing of tigers.
在食物短缺时,很多动物的繁殖情况很差,有时甚至完全不繁殖。
During a food shortage, many animals do not breed very well or, in some cases, at all.
贝勒医学院的研究人员偶然发现,饲养在玉米棒子作为草垫的大鼠“既不繁殖也不展示生殖行为。”
Researchers at Baylor College of Medicine accidentally discovered that rats raised on corncob bedding "neither breed nor exhibit reproductive behavior."
贝勒医学院的研究人员偶然发现,饲养在玉米棒子作为草垫的大鼠“既不繁殖也不展示生殖行为。”
Researchers at Baylor College of Medicine accidentally discovered that rats raised on corncob bedding "neither breed nor exhibit reproductive behavior."
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