sterilize, sterilise

v [Tn] 1 make (sth) sterile(4) or free from bacteria 为（某物）消毒或杀菌: sterilized milk 消毒牛奶 * sterilized surgical instruments消过毒的外科手术器械. 2 make (a person or an animal) unable to produce young or children (esp by removal or obstruction of the reproductive organs) 使（人）绝育; 使（动物）失去生殖能力: After her fourth child she decided to be/have herself sterilized. 她生了第四个孩子後决定做绝育手术.

stepchild, stepfather, stepfather, `stepmother, stepparent, steppe, stepping-stone, stepson, `stepdaughter, stereo, stereo-, stereophonic, stereoscope, stereoscopic, stereotype, stereotyped, stereotyping, sterile, sterility, sterilization, sterilization, sterilisation, sterilize, sterling, stern, sternly, sternness, sternum, steroid, stertorous, stertorously, stet, stethoscope, stetson, stevedore, stew, steward, stewardess, stewardship, stewed, Sth, stick, stick (sth) out,