strengthener

英 ['sreŋθənə] 美 ['sreŋθənə]

• n. 助力器；坚固者

英英释义

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"
   

例句

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。

近反义词

【近义词】

• reinforcement 增强