单词 | molar |
---|---|
音标 | ['məulə] |
解释 | n.臼齿 |
红宝书 | 【记】 mol(磨)+ar→磨的牙 →臼齿 |
字源 | molar (n.) "grinding tooth," mid-14c., from Latin molaris dens "grinding tooth," from mola "millstone," from PIE root *mel- "to rub, grind" (see mill (n.1)). As an adjective in this sense from 1620s. In Old English they were cweornteð "quern-teeth." molar (adj.) in chemistry, "pertaining to one mole," 1902, from mole (4) + -ar. |
不择手段背单词 | n. 臼齿(用作研磨食物的牙齿) 【记】mol磨, ar-磨牙-臼齿 【参】mortar(n 臼; 研钵) 【类】rib: bone = molar: tooth肋骨是一种骨头 = 臼齿是一种牙齿 |
趣味全助记 | 【记】源自mill 碾磨;音:磨了,磨拉→拉磨就是磨;用来磨的牙 |
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