scanning例句
She was nervous and kept
scanning the crowd for Paul.
她很紧张，眼睛不停地在人群中搜寻保罗。
She sat
scanning the yellowing pages.
她坐着浏览发黄的书页。
A new technological marvel was invented at Cambridge University in England, the
scanning electron microscope.
一项科技新奇迹在英国剑桥大学诞生了——这就是扫描电子显微镜。