英语词汇usefulnesses怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	usefulnesses
释义	usefulness n.useful的变形 useful['ju:sful] adj.有用的；有帮助的；有益的；有实际使用价值的短语: make oneself useful 帮忙
随便看	spacecraft tracking space current space curve space curves spaced spaced antenna space defence space defences space density space detection and tracking system space diversity reception spaced-out space environment space environments space factor space factors spacefarer spacefarers spacefaring spacefarings space fiction space-fictional space-filling curve space-filling curves space fixed reference

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。