英语词汇is unsustainable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	is unsustainable
释义	be v — 有 v • 是 v • 成为 v • 做 v • 当 v • 存在 v • 属 v • 乃 v • 乃是 v
随便看	shaft motor shaft mounted shaft-mounted gear shaft mounted gearbox shaft-mounted gear motor shaft-mounted motor shaft movement shaft number shaft offset shaft of light shaft of sunlight shaft of the motor shaft of the penis shaft-operated shaft paddle shaft parallel to shaft part shaft platform shaft position shaft positioning shaft power shaft power input shaft products shaft radius shaft repair

英汉双解词典包含2273206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。

be v —