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...
清晨，天空呈现出斑驳的深灰色。In the mornings the sky appeared a heavy shade of mottled gray.那天一反常态，天空阳光明媚。For a change, it was a gloriously sunny day.炽热的火球冲上天空。Intense balls of flame rose up into the sky....
她已经戒了毒，并且认识到了生命可贵。She's kicked her drug habit and learned that her life has value.“我认识你。”他平淡地说道，就事论事，不带任何感情。"I know you," he said flatly, matter-of-fact, neutral in tone.他们被劝服，认识到了和平的好处。They have been per-suaded of ...
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...