using the means or agency ofHe finally raised his math grade by means of tutoring and extra credit work.
He finally raised his math grade by means of tutoring and extra credit work.
by, in, per, through, via, with
by dint of, by virtue of(or in virtue of)
英语同义词词典收录了63618条英语词条,基本涵盖了全部常用同义词或反义词的辨析及翻译,是英语学习的有利工具。