strengthener

英

美

网络  坚固者; 增强剂

复数：strengtheners　

BNC.49506 / COCA.42725

英英释义

noun

• a device designed to provide additional strength
  1. the cardboard backing was just a strengthener
  2. he used gummed reinforcements to hold the page in his notebook
  Synonym:reinforcement

双语例句