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1849 、 静摩擦 staticfriction 1850 、 颈轴承 journalbearing 1851 、 颈缩 necking 1852 、 频带宽度 bandwidth 1853 、 频率 frequency 1854 、 头座 headstock 1855 、 阈值；临界值
英文名句短语
A woodpecker is a bird. It is red, white, and black. It has a long sharp beak. This is a special beak. It is stronger than a tree trunk. The woodpecker makes holes in tree trunks. It hits the tree trunk with its sharp beak, again and again. Peck, pec
简单慢速英语阅读
When a wolf was eating an animal, a small bone from the meat got stuck in his throat. He could not swallow it, so he felt a terrible pain. He ran up and down, and tried to find something to relieve th
阅读空间
复合材料及汽车词汇 Acetyl 乙酰 Acid-proof paint 耐酸涂料, 耐酸油漆 Acrylic fiber 丙烯酸纤维 Acrylic resin 丙烯酸树脂 Active filler 活性填料 Adapter assembly 接头组件 Addition polyimide 加成型聚酰亚胺 Addition polymer 加聚物 Adjusting valve 调整阀，
英文语法词汇
A wolf was eating his supper one day when a bone stuck in his throat．Choking and coughing，he howled about the countryside asking every animal he met to help him．There's a good reward for anyone who can save me，he spluttered．A crane heard ab
趣味英语
Meanwhile I was examining this unusual bird. Conseil was not mistaken. 我于是检查一下这只奇异的鸟。康塞尔没有搞错。 Tipsy from that potent juice, our bird of paradise had been reduced to helplessness. 无双乌被豆寇汁迷醉了
《海底两万里》中英双语有声读物