单词：high-voltage dc generator
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In Puerto Rico many years ago near the Condado Lagoon, there lived a poor fisherman. He lived alone in a hut. His only companion（同伴）was his dog. The fisherman and his dog were devoted to each other. They might be seen strolling（散步)on th
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Four friends were arguing over whose dog was the smartest. The first man, an engineer, called to his dog, T Square, show your stuff. The dog trotted over to a desk, pulled out a paper and pencil, and drew a perfect triangle. The next guy, an accounta
趣味英语
to put on the dog to go to the dogs 美国人总是说：狗是人的最好的朋友。许多美国人对家里的狗就好像对待家里的人一样好。有钱人还往往会出几千美元去买一只
美国习惯用语
The U．K．（or United Kingdom）is made up of England，Scotland，Wales and Northern lreland．There are many mountains in Wales．Not long ago there were wild animals in the forests．Sometimes wolves attacked people and killed them．More than
趣味英语
A dog and a horse，which served the same peasant，began to discuss each other's merits，one day．How grand we are，to be sure！says Barbos．I shouldn't besorry if they were to turn you out of the farmyard．A noble service，indeed，to plough
趣味英语