Sam leant over to open the door of the car.萨姆俯身去开车门。With a sigh, she leant back and closed her eyes.她叹了口气，身体向后倚靠，闭上了眼睛。He leant against the wall, fighting for strength to continue.他靠在墙上,努力想鼓起劲继续下去....
很愿意. 目前我们能提供光学记录阅读器的模型.With pleasure. Now we can offer Optical Mark Readers of models.使用光符阅读器(OCR)时, 笔划上的弯钩.In OCR, an indentation in a stroke.光电阅读器每秒钟能扫描两千字.The photo - electric reader is capable of scanning characters ...