单词 努力赶上 例句 DEFINITIVE EXAMPLES 权威例句〔envious〕Archaic Eager to emulate; emulous.【古语】 努力赶上的;好胜的美国传统〔schoolwork〕She is struggling to keep up with her schoolwork.她在努力赶上课业。牛津高阶〔stay with〕The other runners struggl...