The cheaper FNDs fluoresce roughly as well as those produced with an electron beam.此种廉价FND所发的荧光与用电子束生产的FND所发荧光大致相同.The radar beam can track a number of targets almost simultaneously.雷达波几乎可以同时追着多个目标.A high quality beam ha...
The lighthouse beam was quite distinct in the gathering dusk.灯塔的光束在渐浓的暮色中清晰可见。He directed the tiny beam of light at the roof.他把那一小束光对准了屋顶。She froze when the beam of the flashlight struck her.当手电筒的光照到她身上时她僵住了。...
气温突降.The temperature suddenly dropped.图表上的曲线突降之后逐渐趋于平稳.The graph flattens out gradually after a steep fall.在这次气温突降时节,要保证孩子们穿得暖和.Be sure the children are wrapped up in this sudden cold weather....
约翰的魄力和热情最令人难忘。John will be best remembered for his drive and enthusiasm.她是个很有魄力的知识分子，不惧怕说出自己的想法。She was a forceful intellectual unafraid to speak her mind.我们的老板很有魄力.Our boss has a lot of drive....
All slanders and libels should be repudiated.一切诬蔑不实之词,应予推倒.The Prime Minister has repudiated racist remarks made by a member of the Conservative Party.首相已经驳斥了一个保守党成员的种族主义言论。He repudiated his first wife and married her si...
It is compulsory for all motorcyclists to wear helmets.所有骑摩托车的人都必须戴头盔，这是强制性的。The shop at the corner of the street sells helmets.街道拐角那家商店出售安全帽.Protective helmets must be worn on site.在工地必须戴防护帽....