scanf的用法和用法例句
scan有掃描;瀏覽;審視;細看等意思，那麼你知道scan的用法嗎?下面跟着本站小編一起來學習一下，希望對大家的學習有所幫助!
scan的用法大全：
scan的用法1：scan的基本含義是“看,掃視”,指一部分一部分地審視,可指認真觀察研究,也可指粗略地瀏覽,須依據上下文確定其含義。引申還可指“合韻律”。
scan的用法2：scan可用作及物動詞,也可用作不及物動詞。用作及物動詞時,後接名詞或代詞作賓語。
scan的用法3：scan的過去式和過去分詞均爲scanned。
scan的用法4：scan本身就有“細看,審視”的意思,所以一般不與careful連用。例如:
那男人審視着醫生的臉。誤:The man scanned the doctor's face carefully.正:The man scanned the doctor's face.
scan的用法5：scan還可用作名詞,作“掃描”解。例如:The first scan was bad, so I had to do it again .第一次掃描不好,所以我得重做。
scan的常用短語：
scan for (v.+prep.)
爲尋找…而看 look at sth carefully for sth
scan sth for sth
Astronomers scanned the sky for a sight of the comet.天文學家們仔細觀察天空,想看到彗星。
He scanned the newspaper for the information he needed.他仔細地看報紙來找出自己需要的東西。
He scanned the list for his name.他粗略地看了一眼名單來找出自己的名字。
He scanned the small advertisement for a job.他粗略地看了一下廣告,想找到一份工作。
用於 be ～ed 結構
The area was scanned for signs of enemy aircraft.對該地區進行雷達搜索以求發現敵機。
scan的用法例句：
1. I just had a quick scan through your book again.
我只是又快速瀏覽了一遍你的書。
2. He was rushed to hospital for a brain scan.
他被火速送往醫院做腦部掃描。
3. Their approach is to scan every checked-in bag with a bomb detector.
他們的方法是用炸彈探測器對每一個辦理了登機手續的箱包進行掃描。
4. I had an ultrasound scan to see how the pregnancy was progressing.
我進行了超聲波檢查，看看妊娠情況如何。
5. A brain scan last Friday finally set his mind at rest.
上週五的腦部掃描終於讓他放心了。
6. Whirr, click, whirr, click — step by step the scan probed deeper.
嗡嗡，咔嗒，嗡嗡，咔嗒——掃描探查一步步地深入。
7. He had written a few poems. Sid told him they didn't scan.
他寫了幾首詩。錫德告訴他那幾首詩都不押韻。
8. A scan determines the position of the baby in the womb.
掃描可以確定胎兒在子宮中的位置.
9. The first scan was bad, so I had to do it again.
第一次掃描不好, 所以我得重做.
10. A routine scan revealed abnormalities in the foetus.
一次常規掃描發現胎兒畸形.
11. My fingers scan a book in braille.
我的手指掃描着一本盲文書.
12. The verses scan well.
這些詩很合韻律.
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脛骨的骨骼掃描結果。
14. Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory.
大多數處於妊娠期的婦女將被建議接受超聲波檢查，不過這不是強制性的。
15. The specialist who carried out the brain scan thought Tim's chances of survival were still slim.
給蒂姆做腦部掃描的專科醫生認爲他活下來的可能性仍舊渺茫。
