常見例句He's been drinking whiskey on the sly for thirty years. 他暗中偷喝威士忌酒已有三十年了。Mark didn't shape up until he was thirty years old. 馬克到三十歲時(shí)才振奮起來。She has served the family faithfully for thirty years. 她為這個(gè)家忠心耿耿地操勞了30年。By that time she would have been working here for thirty years. 到那時(shí)她在這里就工作了三十年了。The old nurse have serve the family faithfully for thirty year. 老保姆為這個(gè)家庭忠實(shí)地服務(wù)了三十年。The old nurse had served the family faithfully for thirty years. 老保姆為這個(gè)家庭忠實(shí)地服務(wù)了三十年。 返回 thirty-year