| 词汇 | shelf |
| 词根词缀 | 词源： late 14c., from M.L.G. schelf "shelf, set of shelves," or from O.E. cognate scylfe "shelf, ledge, floor," and scylf "peak, pinnacle," from P.Gmc. *skelf-, *skalf- "split," possibly from the notion of a split piece of wood (cf. O.N. skjölf "bench"), from PIE base *(s)kel- "to cut, cleave" (cf. L. sculpere "to carve"). Shelf life first recorded 1927. Phrase on the shelf "out of the way, inactive" is attested from 1575. Continental shelf first attested 1892. 词根记忆： n. 架子,搁板The spy is shy of taking shelter on the shelf of the shell-like shed.间谍怕在壳子一样的棚里的架子上栖身. |
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