strengthen的词源
英文词源
- strengthen (v.)
- late 14c., from strength + -en (1). Related: Strengthened; strengthening; strengthener. Earlier verb was simply strength (12c.).
中文词源
词根词缀: strength力量 + -en动词词尾
该词的英语词源请访问找单词词源英文版:strengthen 词源,strengthen 含义。
strength,力量,-en,使。