单支红色发光二极管表示电源已接通。A single red LED shows that the power is switched on.按这种方式使用的二极管叫做整流管.A diode used in this manner is called a rectifier.二极管早已作为常规器件应用于多种电路中.The diode is used routinely in many kinds of electronic circuit...
上周一股热带气旋使该国受到暴雨袭击.A tropical cyclone brought heavy rain to the country last week.1974年达尔文被热带气旋特蕾西夷为平地.In 1974 Darwin was devastated by Cyclone Tracy.反气旋天气情况比气旋天气情况更有利些.The anticyclone weather situations are more favorabl...
Illiteracy threatens Britain's industrial performance. But, quite apart from that, the individual who can't read or write is unlikely to get a job...文盲的存在影响着英国的产业效益。但是，除此以外，更重要的是那些不具备读写能力的人也不太可能找到工作。Poverty and...
南美的鸟兽the animals and birds of South America许多鸟兽现已绝种.Many animals and birds are now extinct.人跟伟大的鸟兽相比,真算不上什么.Man is not much beside the great birds and beasts....
Indemnifies you for expenses incurred as a result of scoring a hole any recognized golf course.于认可高尔夫球球会内创下一棒入洞的佳绩时之祝捷奖赏.Devalues the Products according to defectiveness degree , damage degree and the loss amount incurre...
The western-most part of north Wales is a stronghold of Welsh-speakers.北威尔士最西部是说威尔士语人的聚居区。Welsh international Matthew Postle was third fastest at the halfway point.到半程时，威尔士的世界级选手马修·波斯特尔位居第三。Since the Sixties, afforestati...
The indisputable fact is that computers carry out logical operations.不容置疑的事实是，电脑执行逻辑操作指令。That's John Gibb, operations chief for New York Emergency Management.那个人是约翰·吉布，纽约应急管理办公室的行动总指挥官。The company closed down operat...