strengthener
英['sreŋθənə]
美['sreŋθənə]
- n.助力器；坚固者
详细释义
Noun:
-
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"
双语例句
- The cardboard backing was just a strengthener.
这个纸板衬背就是一个助力器。
用作名词 (n.)
相关词汇
【近义词】
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