| 释义 |
NOUN. 名词1.?[C 可数名词] （两时间点之间的）时间段A span is the period of time between two dates or events during which something exists, functions, or happens. 双语例句例： The batteries had a life span of six hours. 电池的使用寿命是6小时。 例： Gradually the time span between sessions will increase. 会议的间隔时间将逐渐延长。 2.?[C 可数名词] （注意力的）持续时间Your concentration span or your attention span is the length of time you are able to concentrate on something or be interested in it. 双语例句例： His ability to absorb information was astonishing, but his concentration span was short. 他接受信息的能力让人惊讶，但他的注意力持续时间很短。 例： 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。 3.?[C 可数名词] 宽距The span of something that extends or is spread out sideways is the total width of it from one end to the other. 双语例句例： It is a very pretty butterfly, with a 2 inch wing span. 这是一只非常漂亮的蝴蝶，翼展2英寸。
VERB. 动词spans , spanning , spanned 1.?[T 及物动词] 持续If something spans a long period of time, it lasts throughout that period of time or relates to that whole period of time. 双语例句例： His professional career spanned 16 years. 他的职业生涯持续了16年。 2.?[T 及物动词] 包括If something spans a range of things, all those things are included in it. 双语例句例： Bernstein's compositions spanned all aspects of music, from symphonies to musicals. 伯恩斯坦创作的乐曲涉及了从交响乐到音乐剧等音乐的各个方面。 3.?[T 及物动词] 横跨A bridge or other structure that spans something such as a river or a valley stretches right across it. 双语例句例： Travellers get from one side to the other by walking across a footbridge that spans a little stream. 旅游者通过一座横跨小溪的人行桥从一边走到另一边。
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