| 词汇 | lack |
| 词根词缀 | 词源： lack (n.) c.1200, may have existed as unrecorded O.E. *lac or else it was borrowed from M.Du. lak "deficiency, fault;" in either case from P.Gmc. *laka- (cf. O.N. lakr "lacking"). The verb is attested earlier, late 12c., but is considered to be from the noun. Related: Lacking. 词根记忆： n. /v.缺乏,不足The backward man lacks black background.落后的男子缺少黑色背景. |
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