| 单词 | span |
| 释义 | span 1. n. & v. --n 1. the full extent from end to end in space or time (the span of a bridge; the whole span of history). 2. each arch or part of a bridge between piers or supports. 3. the maximum lateral extent of an aeroplane, its wing, a bird's wing, etc. 4. a the maximum distance between the tips of the thumb and little finger. b this as a measurement, equal to 9 inches. 5. a short distance or time (our life is but a span). --v (spanned, spanning) 1. tr. a (of a bridge, arch, etc.) stretch from side to side of; extend across (the bridge spanned the river). b (of a builder etc.) bridge (a river etc.). 2. tr. extend across (space or a period of time etc.). 3. tr. measure or cover the extent of (a thing) with one's hand with the fingers stretched (spanned a tenth on the piano). 4. intr. US move in distinct stretches like the span-worm. Phrases and idioms span roof a roof with two inclined sides (opp. PENTHOUSE 2, lean-to (see LEAN(1))). span-worm US the caterpillar of the geometer moth. Etymology: OE span(n) or OF espan 2. n. 1. Naut. a rope with both ends fastened to take purchase in a loop. 2. US a matched pair of horses, mules, etc. 3. S.Afr. a team of two or more pairs of oxen. Etymology: LG & Du. span f. spannen unite 3. see SPICK AND SPAN. 4. archaic past of SPIN. |
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