英语词汇preparation period是什么意思，preparation period的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	preparation period
释义	preparation period　【化】准备期
随便看	photochemical rearrangement photochemical sensitivity photochemical smog photochemical smog photochemical threshold photochemical yield photochemically photochemically photochemicaltransformation photochemigraphy photochemiluminescence photochemistry photochemistry photochemistry photochopper photochromatic photochromatic interval photochrome photochromic photochromic photochromic photochromic compound photochromic effect photochromic film photochromic functional composite

觉斋网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。