“去势”的英语？

他们约在七年之前将这家畜去势.They had the animal neutered some seven years back.阉牛是去势的公牛.A bullock is a castrated bull.方法用氢化可的松及去势大鼠可以造成阳虚模型.METHOD Rat models with yang deficiency were made using hydrocortisone....

“去势”的拼音为：qù shì...