Even minor head injuries can cause long-lasting psychological effects.即使是轻微的头部创伤也会对心理产生长期影响。Civil aircraft engines must be quiet, non-polluting, reliable and long-lasting.民用飞机的发动机必须静音、无污染、可靠、耐用。Rubber Covered Hose - spec...
Turn off the power and lock the electrical appliance box.切断电源,锁好电器箱.The light fused because the system is overloaded with electrical appliance.电灯灭了,因线路上用电器超负荷把保险丝烧断了.The key electrical appliance and pneumatic element ado...
The only snag is, I can't afford it!惟一的困难是, 我付不起这钱!It is to be expected that an experiment will sometimes run into a snag at first.开始试验时有时不很顺手,也是很自然的.A police clampdown on car thieves hit a snag when villains stole ...