| 词汇 | skim |
| 词根词缀 | 词源： c.1420 (skimmer, the utensil, is attested from c.1392), "to clear (a liquid) from matter floating on the surface," from O.Fr. escumer "remove scum," from escume (Fr. écume) "scum," from a Gmc. source (cf. O.H.G. scum "scum," Ger. Schaum; see scum). Hence, skim milk (1596), from which the cream has been skimmed. Meaning "to glance over carelessly" (in ref. to printed matter) first recorded 1799; that of "to move over lightly and rapidly" is from 1697. Skimmer, the N.Amer. shore bird (1785), so called from its method of feeding. 词根记忆： vt. 撇去(液体表面)之漂浮物vi.轻轻掠过A swallow flew west skimming the lake.一只燕子掠过湖面往西飞. |
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