英语词汇四十五亿是什么意思，四十五亿的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	四十五亿
释义	DEFINITIVE EXAMPLES 权威例句The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。译典通
随便看	quick action quick action chamber quick action triple valve quick action valve quick anneal oven quick answer quick application position quick as lightning quick as thought quick assets quick at quick at quick at quick backspin service quick bath quick block quick bread quick breads quick break quick break quick break mechanism quick buck quick buck quick capital quick cell

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。