单词：damper ratchet
单词：damper ratchet 相关文章
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This is AP News Minute. 1. Tensions are running high after Turkey shot down a Russian warplane that it said ignored repeated warnings after crossing into its airspace from Syria. Russian president Vladimir Putin is now warning against significant con
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必背句型: A:In doubt,the milder course is to be followed. 遇有疑义时应遵循从宽原则。 B:There is not enough principle. 没有足够的原则。 There is not enough space. 没有足够的空间。 There is not enough room. 没有足够的
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1135 、 晶体点阵；晶体格构；晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、
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The character of the forest changes as we descend, becoming ever darker and damper, favoring different kinds of animals and plants. Less than two percent of the sunlight reaches the floor. But even here there is extraordinary variety. In the Great Is
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今天我们要学的词是ratchet。 Ratchet是一个机械部件，叫棘轮，推动机器向一个方向转动。做为动词，我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。 哈佛大学
英语每日一词
今天我们要学的词是ratchet。 Ratchet是一个机械部件，叫棘轮，推动机器向一个方向转动。做为动词，我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。 哈佛大学
英语单词荟萃
今天我们要学的词组是ratchet up。Ratchet up，意思是激化、加剧 。North Korea's foreign minister ratcheted up tensions, saying his country had the right to shoot down U.S. planes even outside North Korean airspace. 朝鲜外交部长加
英语单词荟萃