单词	rolling friction
释义	rolling friction noun : resistance to motion by bodies that are in rolling contact Word History First Known Use 1839, in the meaning defined above
随便看	sulaimania sulamydes sulamyds sulas Sulawesi sulawesies sulawesis sulaymaniya Sulaymaniyah sulcalise sulcalised sulcalises sulcalising sulcalized sulcalizes sulcalizing sulcate sulcater sulcatest sulcations sulci SULCL sulcomarginal sulcus sulcus of ro

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