英语词汇“a book envelop”的翻译、意思、用法、释义-英汉汉英词典

单词	a book envelop
释义	英華英華★◀▶英華☞PORTFOLIO英華☞CASE
随便看	training need training need analysis training needs training needs analysis training objectives training officer training of teacher training opportunities scheme training pants training paper training pattern training pattern classifier system training plan training plane training planning information document training proficiency training program training program inadequacy training reactor training--reactor training, research and isotope-production reactor training, research and isotope-production reactor{=triga} training, river trainings training sample