警方的射击手开火回击时，购物者们躲在汽车后面。Shoppers took cover behind cars as police marksmen returned fire.他们遭遇警察时毫不犹豫地开火。They don't hesitate to open fire when confronted by police.有关军队开火的最初传闻现在遭到了否认。Earlier reports that troops opened...
Eve, squinting at the clock, saw it was just on 7 a.m.伊夫眯着眼瞥了一下钟，看到差不多是早上7点钟。The Visitor Centre is open daily 8.30 a.m. – 4.30 p.m.游客中心每日上午8：30至下午4：30开放。Everyone had already assembled in the boardroom for the 9:00 a.m. s...
The average dark current is often eliminated by means of a zeroing circuit.平均暗电流常利用调零电路消除.The system includes the modules of data acquiring, digital filtering, data conversion, digital zeroing and adjusting.该系统包括数据采集 、 数...
机修工努力维持直升机的飞行性能。The mechanics work hard to keep the he-licopters airworthy.机修工立即找到了出故障的地方。The mechanic located the fault immediately.这个机修工给我修汽车.The mechanic repaired my car....