strengthener

英['sreŋθənə] 美['sreŋθənə]
  • n.助力器;坚固者
  • reinforcement n.增强;加固;强化物;增援力量
  • weld v.焊接;使结合n.焊接;焊缝
Noun:
  1. a device designed to provide additional strength;

    "the cardboard backing was just a strengthener"
    "he used gummed reinforcements to hold the page in his notebook"

    用作名词 (n.)
    1. The cardboard backing was just a strengthener.
      这个纸板衬背就是一个助力器。