scanf的用法和用法例句
scan有扫描;浏览;审视;细看等意思，那么你知道scan的用法吗?下面跟着本站小编一起来学习一下，希望对大家的学习有所帮助!
scan的用法大全：
scan的用法1：scan的基本含义是“看,扫视”,指一部分一部分地审视,可指认真观察研究,也可指粗略地浏览,须依据上下文确定其含义。引申还可指“合韵律”。
scan的用法2：scan可用作及物动词,也可用作不及物动词。用作及物动词时,后接名词或代词作宾语。
scan的用法3：scan的过去式和过去分词均为scanned。
scan的用法4：scan本身就有“细看,审视”的意思,所以一般不与careful连用。例如:
那男人审视着医生的脸。误:The man scanned the doctor's face carefully.正:The man scanned the doctor's face.
scan的用法5：scan还可用作名词,作“扫描”解。例如:The first scan was bad, so I had to do it again .第一次扫描不好,所以我得重做。
scan的常用短语：
scan for (v.+prep.)
为寻找…而看 look at sth carefully for sth
scan sth for sth
Astronomers scanned the sky for a sight of the comet.天文学家们仔细观察天空,想看到彗星。
He scanned the newspaper for the information he needed.他仔细地看报纸来找出自己需要的东西。
He scanned the list for his name.他粗略地看了一眼名单来找出自己的名字。
He scanned the small advertisement for a job.他粗略地看了一下广告,想找到一份工作。
用于 be ～ed 结构
The area was scanned for signs of enemy aircraft.对该地区进行雷达搜索以求发现敌机。
scan的用法例句：
1. I just had a quick scan through your book again.
我只是又快速浏览了一遍你的书。
2. He was rushed to hospital for a brain scan.
他被火速送往医院做脑部扫描。
3. Their approach is to scan every checked-in bag with a bomb detector.
他们的方法是用炸弹探测器对每一个办理了登机手续的箱包进行扫描。
4. I had an ultrasound scan to see how the pregnancy was progressing.
我进行了超声波检查，看看妊娠情况如何。
5. A brain scan last Friday finally set his mind at rest.
上周五的脑部扫描终于让他放心了。
6. Whirr, click, whirr, click — step by step the scan probed deeper.
嗡嗡，咔嗒，嗡嗡，咔嗒——扫描探查一步步地深入。
7. He had written a few poems. Sid told him they didn't scan.
他写了几首诗。锡德告诉他那几首诗都不押韵。
8. A scan determines the position of the baby in the womb.
扫描可以确定胎儿在子宮中的位置.
9. The first scan was bad, so I had to do it again.
第一次扫描不好, 所以我得重做.
10. A routine scan revealed abnormalities in the foetus.
一次常规扫描发现胎儿畸形.
11. My fingers scan a book in braille.
我的手指扫描着一本盲文书.
12. The verses scan well.
这些诗很合韵律.
13. Sampras awaits the results of a bone scan on a painful left shin.
桑普拉斯等待着疼痛的左腿胫骨的骨骼扫描结果。
14. Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory.
大多数处于妊娠期的妇女将被建议接受超声波检查，不过这不是强制性的。
15. The specialist who carried out the brain scan thought Tim's chances of survival were still slim.
给蒂姆做脑部扫描的专科医生认为他活下来的可能性仍旧渺茫。
