An opaque card bearing microphotographs of a number of pages of a book, periodical, etc.
with object To reproduce on a microcard or microcards.
1940s. From micro- + card.
1940s. From micro- + card<br>1940s. From microcard.
英语词典包含464360条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。