| 词汇 | shuttle |
| 词根词缀 | 词源： 1. shuttle (n.) O.E. scytel "a dart, arrow," from W.Gmc. *skutilaz (cf. O.N. skutill "harpoon"), from P.Gmc. *skut- "project" (see shoot). The weaving instrument so called (1338) from being "shot" across the threads. In some other languages, the machine takes its name from its resemblance to a boat (cf. L. navicula, Fr. navette, Ger. weberschiff). Sense of "train that runs back and forth" is first recorded 1895, from image of the weaver's instrument's back-and-forth movement over the warp; extended to aircraft 1942, to spacecraft 1969. Hence also shuttlecock (1522). 2. shuttle (v.) 1550, "move rapidly to and fro," from shuttle (n.); sense of "transport via a shuttle service" is recorded from 1930. 词根记忆： n. 往返汽车/列车/飞机;穿梭v.往返穿梭This plane shuttles between Washington and New York.这架飞机在华盛顿与纽约间定期往返. |
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