英语词汇I'm twenty-one years old是什么意思，I'm twenty-one years old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	I'm twenty-one years old
释义	I'm twenty-one years old　我二十一岁
随便看	derivative compensation derivative component derivative con-trol derivative control derivative control error derivative control imput derivative control ouput derivative controller action derivative correction factor derivative corrector derivative deposit derivative differential thermal analysis derivative discontinuity derivative distribution derivative element derivative equalization derivative equalizer derivative evidence derivative feedback derivative file derivative grammar derivative hybrid derivative income derivative index derivative indexing

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。