词汇“保持有效”用英语简单造句子的方法、技巧、例句及翻译-英语例句辞典

单词	保持有效
例句	DEFINITIVE EXAMPLES 权威例句〔monitorship〕They maintained an effective monitorship over the project.他们对该计划保持有效的监督。文馨英汉
随便看	called after called-up callendar caller callerby callers calligrapher calligraphy calling calling attention to calling card calliphoridae callisthenics callosum callous calloused callouses callously callow calloway calls callum callus callused calluses

英语例句辞典收录了559068条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。