| 词汇 | slot |
| 词根词缀 | 词源： 1. slot (1) c.1300, "hollow at the base of the throat above the breastbone," from O.Fr. esclot, of uncertain origin. Sense of "narrow opening into which something else can be fitted" is first recorded 1523. Meaning "middle of the (semi-circular) copy desk at a newspaper," the spot occupied by the chief sub-editor, is recorded from 1917. The sense of "opening in a machine for a coin to be inserted" is from 1888 (slot machine first attested 1891). The sense of "position in a list" is first recorded 1942; verb sense of "designate, appoint" is from 1960s. Slot car first attested 1966. 2. slot (2) "bar or bolt used to fasten a door, window, etc.," c.1300, from M.Du. or M.L.G. slot (cf. O.N. slot, O.H.G. sloz, Ger. Schloss "bolt, bar;" O.S. slutil "key"), from P.Gmc. stem *slut- "to close" (cf. O.Fris. sluta, Du. sluiten, O.H.G. sliozan, Ger. schliessen "to shut, close"), from PIE base *klau- "hook, peg" (cf. Gk. kleis "key;" L. claudere "to shut, close," clavis "key," clavus "nail;" see close (v.)). 词根记忆： n. 狭缝;空位vt.放入狭缝中;把…纳入Please put a coin in the slot of this machine.请把硬币放进这台机器的一个投币口. |
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