sterilize|sterilized|sterilizes

过多的规则往往会让课堂的活力消失殆尽。

Too many rules can ___sterilize the vitality of a classroom.

婴儿奶瓶在使用前需要彻底消毒。

Baby bottles need to be ___sterilized before each use.

实验室用高压蒸汽锅对所有玻璃器皿进行消毒。

The lab ___sterilizes all glassware in an autoclave.