那个年轻人领着马克·赖尔沿走廊而去。The young man led Mark Ryle along a corridor.劳拉松开离合器踏板，沿车道慢慢驶离。Laura let out the clutch and pulled slowly away down the drive.她选了低速挡小心翼翼地沿小径下行。She selected a low gear and started down the track carefull...

皮艇漂流是指在湍急的河面上划着小艇沿流而下的运动.Whitewater kayakingWhitewater kayaking is the sport of paddling a small boat down a fast - moving river....