| 词汇 | improve |
| 词根词缀 | 词源： late 15c., "to use to one's profit," from Anglo-Fr. emprouwer "to turn to profit" (late 13c.), from O.Fr. en-, causative prefix, + prou "profit," from L. prode "advantageous" (see proud). Meaning "to raise to a better quality or condition" first recorded 1610s. Phrase improve the occasion retains the etymological sense. Meaning "to turn land to profit" (by clearing it, erecting buildings, etc.) was in Anglo-Fr. (13c.) and was retained in the American colonies. 词根记忆： v. 改善,改进,增进;好转,进步It's proved that the approver improved waterproof roof.经证实,赞同者改善了防水屋顶. |
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