1. 七彩网.英语单词
2. rootage的解释
noun
1. the place where something begins, where it springs into being
e.g. the Italian beginning of the Renaissance
Jupiter was the origin of the radiation
Pittsburgh is the source of the Ohio River
communism's Russian root
Synonym: beginningoriginrootsource
2. a developed system of roots
Synonym: root system
3. fixedness by or as if by roots
e.g. strengthened by rootage in the firm soil of faith