1length長度ADJECTIVE➤full全長▸➤broad, wide範圍廣泛◇a broad span of interests興趣廣泛➤clear淨跨徑◇The bridge has a clear span of 120 feet.這座橋淨跨徑為 120 英尺。➤15-foot, 500-metre/500-meter, etc. * 15 英尺、500 米等跨距▸➤wing (usually wingspan)翼幅◇The bird has a three-foot wingspan.這隻鳥的翼幅為 3 英尺。span
noun²
2length of time時間ADJECTIVE | VERB + SPAN | PREPOSITION | PHRASESADJECTIVE➤long長時間▸➤brief, short短時間▸➤ten-day, two-week, etc. * 10 天、兩週等時間▸➤entire整個時間▸➤allotted分配的時間◇The speech continued well beyond its allotted span.這個講話大大超過了原定的時間。➤natural (especially BrE) 自然壽命◇to prolong life beyond its natural span延年益壽➤time時間長度▸➤life (usually lifespan)壽命◇The average lifespan of an American is 75 years.美國人的平均壽命是 75 歲。◇the expected life span for boys born in the US在美國出生的男孩的預期壽命➤attention, concentration, memory注意力持續時間;記憶保持時間◇He has a short attention span.他注意力集中的時間很短。◇a limited attention span有限的注意力持續時間VERB + SPAN➤cover跨越時間段◇The book covers the entire span of Arab history.這本書跨越了整個阿拉伯的歷史。PREPOSITION➤over a/the span歷時⋯◇Developments were monitored over a span of two years.對開發的監控持續兩年。PHRASES➤a span of time, a span of years時間的/年份的跨度
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