sterility
noun [ U ] uk/stəˈrɪl.ə.ti/ us/stəˈrɪl.ə.t̬i/
(UNABLE TO PRODUCE)
（动物或人的）不育;（植物的）不实
(in animals and people) the condition of being unable to produce young, or (in plants) the condition of being unable to produce plants or crops
枯燥乏味；毫无新意；无生气
the state of having no imagination, new ideas, or energy
They complained about the emotional sterility of their marriages. 他们相互倾诉了对缺乏激情的婚姻的绝望。
(CLEAN)
medical specialized消过毒的，灭过菌的
the condition of being free from anything that can cause disease