microwave            
noun [ C ] uk/ˈmaɪ.krə.weɪv/ us/ˈmaɪ.kroʊ.weɪv/
 (also microwave oven)微波炉 
an electric oven that uses waves of energy to cook or heat food quickly
  Put the fish in the microwave and it'll only take five minutes. 把鱼放到微波炉里,只需5分钟就可以了。 
  微波
a very short electromagnetic wave used for cooking food or for sending information by radio or radar
 microwave
verb [ T ] ukus
 (利用微波炉)烹调食物
to cook something in a microwave
  Shall I microwave something for dinner? 我用微波炉热些东西当晚饭吃好吗?