| 单词 | span. |
| 释义 | span. attention span n: (duration of concentration) SC 注意力集中的时间 zhù yì lì jí zhōng de shí jiān Most adults have an attention span of about 20 minutes. lifespan, life span n: (person: lifetime) (人) SC 寿命 shòu mìng TC 壽命 The average human lifespan is increasing in most countries. 在多数国家，人的平均寿命都在不断增长。 lifespan, life span n: (goods: duration) (货物) SC 寿命, 使用期限 SC 保质期 bǎo zhì qī TC 貨質期 These snacks have a lifespan of only a couple of weeks. 这些点心的保质期不过几周而已。 lifespan, life span n: (period of existence) SC 周期, 生命周期 A total of €2.5 million will be invested over the lifespan of the project. 在该项目的整个生命周期内，将总共投资250万英镑。 span n: (period of time) SC 一段时间 yí duàn shí jiān TC 一段時間 SC 较短的一段时间 yí duàn shí jiān ，jiào duǎn de yí duàn shí jiān Over a span of days, the house was erected. 短短几天工夫，房子便建好了。 span n: (distance from end to end) SC 宽度 kuān dù TC 寬度 SC 长度 kuān dù ，cháng dù TC 長度 The span of the structure is very wide. 这个建筑结构宽度非常大。 span [sth] vtr: figurative (idea: cross over) (比喻，思想、学问等) SC 跨越, 横跨 His ideas span both philosophy and economics. 他的思想横跨哲学和经济学两大学科。 span n: (length of a bridge) SC 桥梁横跨的长度 qiáo liáng héng kuà de cháng dù SC 跨距 qiáo liáng héng kuà de cháng dù，kuà jù SC 跨度 qiáo liáng héng kuà de cháng dù，kuà dù TC 跨度 The main span of the Akashi Kaikyō bridge is nearly 2,000 metres. 明石海峡大桥的主跨度将近2000米。 span n: (width between wing tips) SC 翼展 yì zhǎn The condor's wings have a huge span. 秃鹫的翼展很大。 span n: (extent of attention) SC 注意力持续的时间 zhù yì lì chí xù de shí jiān You can only hold his attention for a short span, as he is easily distracted. 由于他很容易分心，所以你只能让他的注意力保持一小段时间。 span n: (duration of life) SC 生命持续的时间 shēng mìng chí xù de shí jiān SC 寿命 shēng mìng chí xù de shí jiān，shòu mìng TC 壽命 The life span of a mayfly is very short. 蜉蝣的寿命转瞬即逝。 span n: (width of a hand) SC 手掌宽 I used my hand to measure the distance and it was equal to four spans. 我用手掌去测量距离，它大概有四个手掌那么宽。 span [sth] vtr: (bridge, go across) SC 横跨 héng kuà SC 跨越 héng kuà，kuà yuè TC 跨越 The fallen tree spans the stream. span [sth] vtr: (endure) SC 持续 chí xù TC 持續 SC 贯穿 chí xù，guàn chuān TC 貫穿 SC 延伸 chí xù，yán shēn TC 延伸 His career in film has spanned four decades. spick and span, spick-and-span adj: informal (clean, neat) SC 干净的，整洁的 gān jìng de ，zhěng jié de TC 乾淨的，整潔的 time span n: (duration, period) SC 时长 shí cháng SC 时间段 shí cháng，shí jiān duàn timespan, time span n: (period of time, duration) SC 时间跨度 shí jiān kuà dù TC 時間跨度 We have only a short timespan to complete the project. |
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