neutered
adj．已去势的，已阉割的：指动物经过手术去除生殖器官，使其不能繁殖。
例句
Has your cat been neutered?
你家的猫阉过了吗？
《牛津词典》
Their air force had been neutered before the work began.
在行动开始之前，他们空军部队的战斗力就已经被瓦解了。
《柯林斯英汉双解大词典》
We ask the public to have their dogs neutered and keep them under close supervision.
我们要求大众阉割自家的狗，并对它们进行紧密监视。
