| 词汇 | bulk |
| 词根词缀 | 词源： mid-15c., from O.N. bulki "a heap, ship's cargo," thus "goods loaded loose," perhaps lit. "rolled-up load," from P.Gmc. *bul-, from PIE *bhl-, from base *bhel- (2) "to blow, swell" (see bole). Meaning extended by confusion with obsolete bouk "belly" (from O.E. buc, from P.Gmc. *bukaz, from PIE root meaning "to swell"), which led to sense of "size," first attested mid-15c. 词根记忆： n. 体积,容积;主体,大批,大量,大块The bulk of the ruby rubbish on the pebble bubbles when stirred by bulbed rubber club.小卵石上的大部分红宝石废料在用有球状突起的橡胶短棍搅动是会起泡. |
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