| 词汇 | traction |
| 词根词缀 | 词源： 1610s, "a drawing or pulling," from M.L. tractionem (nom. tractio) "a drawing" (mid-13c.), noun of action from stem of L. trahere "to pull, draw" (see tract (1)). Sense of "rolling friction of a vehicle" first appears 1825. |
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