
spans
词源
源自古英语 'spann',意为'伸展'或'跨度',与古诺尔斯语 'spǫnn' 和德语 'Spanne' 同源。
verb
❶ 指时间或空间上跨越、覆盖某个范围,表示从开始到结束的整个期间或距离。
“The bridge spans the river.”
(这座桥横跨河流。)
“Her career spans three decades.”
(她的职业生涯跨越了三十年。)
❶ 指用双臂或工具测量或覆盖某个宽度或距离,表示伸展或覆盖的动作。
“He spans the width of the table with his arms.”
(他用双臂测量桌子的宽度。)
“The ruler spans the length of the paper.”
(尺子覆盖了纸张的长度。)
noun
❶ 指时间或空间上的跨度或范围,表示从开始到结束的整个期间或距离。
“The span of the bridge is impressive.”
(这座桥的跨度令人印象深刻。)
“The life span of a butterfly is short.”
(蝴蝶的寿命很短。)
❶ 指双臂伸展后的宽度,或用于测量距离的工具。
“He measured the table with his span.”
(他用双臂测量桌子的宽度。)
“The span of his arms is wide.”
(他的双臂伸展后很宽。)
常见短语
span of attention — 指一个人能够集中注意力的时间长度,通常用于描述专注能力。
“Children have a short span of attention.”
(儿童的注意力持续时间较短。)
span the globe — 指覆盖全球范围,形容某事物或活动在世界各地都有涉及。
“Their business spans the globe.”
(他们的业务遍布全球。)