?八厘米放影机
... 特征向量，固有向量 eigenvectors 八厘米影片 eight millimeter film 八厘米放影机 eight millimeter projector ...
We didn't have that in the eight-millimeter days. We had to lug a projector, we had to plug it in to somebody's wall, put up a screen and show it to someone patient enough to sit there for five minutes and watch.
VOA : special.2011.06.20
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。