词汇“useful output”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	useful output
例句	DEFINITIVE EXAMPLES 权威例句〔efficiency〕The ratio of the effective or useful output to the total input in any system.效率：在某一系统中有效的或有用的产出与总投入的比率美国传统
随便看	duck down duck hunter duck out duck out of duck shot duck soup duck under duck's egg duck-billed duck-billed platypus duckboards ducked ducking duckling ducklings duckpins ducks ducky duct ductal ducted ducted fan ductile ductile material ductile metal

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。