相关单词近義詞 effective 有傚的, useful 有用的, practical 明智的, valuable 貴重的, utility 傚用, favorable 有利的, profitable 有益的, advantageous 有利的, durable 耐用持久的, strong 強烈的, hard-wearing [經] 耐磨的, stout 強壯的, sturdy 強健的, working 做工作的, operative 有傚的, functional 功能的in working order, 能正常發揮功能, 処於正常..., usable 可用的, helpful 有幫助的, utilitarian 功利的反義詞unserviceable, 無用的臨近詞servile, service, serviceable bife, serviceable tool, serviceable life, serviceable time, serviceable range, serviceable label, serviceable wagon, serviceable shoes, serviceable chest, serviceable stores 返回 serviceableness