记录器上显示出经过的人数.A register indicated the number of people who had gone through.数据记录器直接与小型计算机连接.The data logger is interfaced directly with the minicomputer.曲柄的圆周运动带动了阀门的记录器.The circular movement of this crank operates the v...
假装系统完美无疵是徒劳的。It would be idle to pretend the system is perfect.祈祷天气转变是徒劳的.It's no use praying for the weather to change.他们想方设法地使她高兴, 但那是徒劳的.They endeavored to make her happy, but in vain....