Data recorders also pin-point mechanical faults rapidly, reducing repair times.数据记录仪还能迅速查明机械故障，减少维修次数。They plugged in their tape-recorders.他们给录音机接上了电源。Voice recorders were retrofitted into planes already in service.录音设备安...
We're taking relatively benign medicines and we're turning them into poisons.我们服的药相对来说药性温和，但是我们却在把它们变成毒药。This plunge came in a time of relatively benign economic conditions.这次大跌出现在相对良好的经济环境下。They enjoyed an esp...