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 carefully.压下挡杆，直到听到挡挂好。Press the lever until you hear the catch engage.使用自动搅拌器时应该选用慢挡。Electric whisks should be used on a slow speed....
Using a computer model they factored in the costs of transplants for those women who die.他们使用计算机模型，把那些死去的女性器官移植的费用计算在内。Bill Venners: Is there a difference between a well - factored program and a well - designed program?比...
He detected a ship moving down the starboard side of the submarine.他发现有一艘船正在潜艇的右侧航行。We were trying to plot the course of the submarine.我们试图标绘出潜艇的航线图。In contrast with its surface fleet, Britain's submarine force was ...