She'd half expected him to withdraw from the course.她多少已经预料到他会中途就退出这门课程。A back injury forced her to withdraw from Wimbledon.背部受伤使她不得不退出温布尔登赛事。His reaction was to withdraw, to bury himself in work.他的反应是抽身而退，埋头于工作。...
Several hundred yards beyond the first switchback in the road, he came to the second bend.过了公路上第一个急转弯几百码处，他又遇到了第二个急转弯。The stream switchback through hills and trees.小河在山峦和树木间蜿蜒流去The switchback operation returns the ACTIVE...