In business a poker face can be very useful.生意场上，不动声色会非常有用。"For heaven's sake!" Dot expostulated. "They're cheap and they're useful."“拜托！”多特反驳道，“它们又便宜又管用。”HDTV is especially useful if there are a lot of sp...
Martinez expressed confidence of victory at the ballot box.马丁内斯表示了对选举获胜的信心。If there has to be a replay we are confident of victory.如果重新比赛，我们有信心取得胜利。Johnson's smashing victory in 1964 changed the political horizon su...
防爆箱、试样进料泵都装在独立的钢板箱内.The explosion - proof housing , samplefeed pump are installed in a freestanding sheet - steel cabinet.在箱子的正面有试样 进料 泵的电源开关.On the front of the cabinet are on - off switches for sample - feed pump.为了熔化进...