span是什么意思_音标_用法_例句

简单释义：

n. 持续时间；范围；包括的种类；跨度

v. 持续；贯穿；包括（广大地区）；涵盖（多项内容）

网络 跨距；一段时间；跨越

变形：

复数：spans  过去分词：spanned  现在分词：spanning  

完整释义：

n.

1.跨度;(桥礅间的)礅距
2.跨度,幅度,间隔
3.期,周期,时期,一段(时间),人生
4.广度,全长,从一头到一头
5.(常有短的涵义的)一段时间;很小的间隔;片刻,顷刻
6.一拃〔手指张开时,拇指尖至小指尖的长度,通常九英寸〕
7.标准
8.〔美,南非〕一对共轭牛,共轭马
9.【航海】跨绳
10.【航空】翼展;(气流)宽度

v.

1.跨越,横跨,越过,伸展
2.横跨,跨越,(桥)跨(在河上),架(桥在河上)弥补
3.涉及,经历,有,生成
4.(眼睛)观测,看到
5.落,斜伸到;弥合
6.(记忆等)到,及
7.(在水中)时浮时沉地向前游泳;(尺蠖)段段移进
8.(用拇指和小指)拃,用拃量
9.(把两头牲畜)并排套在车上
10.【航海】绑住,系住

例句：

1. A five-minute time span seems to be the emerging norm, but it's an arbitrary standard and protocols differ.
   5分钟，似乎是一个临界点，但这里面还存在时间裁定标准的问题，且不同的协约也有所不同。

2. Even if it's just 30 minutes a day, you'll be surprised at how much progress you'll make in a short span.
   即使一天仅看30分钟，你也会惊讶于自己在这么短时间里做出了这么大的进步。

3. We'll be able to look at millimetre movements over the time span of a year.
   我们将会可以察觉在一年的时间里指距上的毫米运动。

4. My attention span, in romane, was that of a tick on a hot rock.
   在罗马，我的注意力受到了威胁，就像在火热的岩石上被震了一下。

5. In contrast, boosting SOD1 levels in unrelated muscle cells seems to have had no effect on the flies' life span, he adds.
   他补充说，反过来看，让不相关的肌肉细胞增加SOD1的量，似乎不会影响果蝇的寿命。

6. Vijg noted that since the drug did not extend the maximum life span of fat mice, it would be surprising if it did so with lean mice.
   但是维杰格博士指出，由于该药物不能够延长肥胖小鼠的最长寿命，如果它能够延长瘦弱小鼠的寿命，那也将是不可思议的。

7. It has a span of4260 feet. The bridge is so long that the shape of the earth had to be taken into account by its designer.
   桥的跨度有4,260英尺。桥梁很长，所以它的设计师不得不考虑地球的形状。

8. She went and found a tall tree and climbed to its top, where she sat and span, without speaking and without laughing.
   于是，她就走到一棵大树旁，爬上去坐在上面纺纱，既不说话也不笑。