erg是什么意思,erg怎么背,怎么记,erg的词根词缀巧记速记方法,erg构词,构成,中文翻译_英语词典

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erg erg
/ E:ɡ /

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erg¹
◙ noun
1. [Physics] a unit of work or energy, equal to the work done by a force of one dyne when its point of application moves one centimetre in the direction of action of the force
• [物理] 尔格1. late 19th cent.: from Greek ergon 'work'

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erg²
◙ (pl. ergs 或 areg)
1. an area of shifting sand dunes in the Sahara
• （撒哈拉沙漠中）流沙覆盖地区，沙质沙漠1. late 19th cent.: from French, from Arabic ‘irk’, ‘erg’

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