| 单词 | span |
| 释义 | span¹ 1.+of wing, plane宽度；翼展；+of hand(掌)宽；+of arch跨度；跨距 Some eagles have a wing span of one and a half metres.有些鹰的翼展可达一米半。 The butterfly has a 2 inch wing span.这只蝴蝶的翼展有两英寸。 the main arch span主拱的跨度 2.(in time)一段时间；间隔；期间 The battery has a life span of six hours.电池的寿命是6小时。 Gradually the time span between sessions will increase.会议之间的间隔将逐渐延长。 during the forty-year span from 1913 to 1953从1913年到1953年的40年间 3.+of attention, concentration(注意力的)持续时间 His ability to absorb information was astonishing, but his concentration span was short.他吸收信息的能力非常惊人, 但他保持专注的时间很短。 Young children have a limited attention span and can't concentrate on one activity for very long.小孩子的注意力持续时间十分有限, 不能长时间地专注于一个活动。 4.【测量】一搾(常取9英寸) a span in length一搾长 5.+of horses, oxen共轭马；共轭牛 a span of oxen共轭牛 span²1.bridge, arch +横跨；跨越 the humped iron bridge spanning the railway横跨铁路的铁拱桥 a long lake spanned by a high, iron bridge架有很高的铁桥的一座长长的湖 2.(in time)持续；贯穿 She had a career spanning more than half a century.她的事业持续了半个多世纪。 His professional career spanned 16 years.他的职业生涯长达16年。 3.+ range, aspect包括；涵盖 a remarkable man whose interests spanned almost every aspect of nature一名兴趣广泛、几乎所有自然科学领域都有涉猎的杰出男性 |
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