Ultrasound(超聲/超音波)是英語名詞,指頻率高於人類聽覺範圍(約20千赫以上)的聲波,具有高頻振動與強穿透力特性,需通過換能器轉換為機械波套用。
其核心套用包括醫學成像、工業檢測與生物技術。醫學領域通過聲波反射原理生成人體內部圖像,用於器官檢查、胎兒監測及疾病診斷;工業場景涉及材料無損檢測、精密零件清洗等。相關設備涵蓋超音波清洗器、醫學探頭及換能器等。
該技術理論源於19世紀聲學研究。20世紀40年代電子技術進步推動脈衝回波法套用於醫學成像,50年代A型超聲儀投入臨床,70年代實時B超技術普及,逐步確立無創診斷的主流地位。
基本介紹
- 中文名:超聲;超音波
- 外文名:ultrasound
- 詞性:名詞
- 英式發音:[ˈʌltrəsaʊnd]
- 美式發音:[ˈʌltrəsaʊnd]
單詞用法
短語搭配
雙語例句
- 1Ultrasound showed she was expecting twins.超音波掃描顯示她懷了雙胞胎。《牛津詞典》
- 2I had an ultrasound scan to see how the pregnancy was progressing.我做了超音波掃描,檢查妊娠情況。《柯林斯英漢雙解大詞典》
- 3Most women will be offered an ultrasound scan during pregnancy, although it's not obligatory.大部分婦女懷孕期間都將進行超音波檢查,儘管不是規定性的。《柯林斯英漢雙解大詞典》
- 4Another thing it uses ultrasound to detect is the size and shape of objects.它還利用超音波來探測物體的大小和形狀。
- 5Ultrasound is used by many animals that detect and some of them send out very high frequency sounds.許多動物都用超音波來進行偵查,有些動物還能發出非常高頻的聲音。
- 6We have tended to underestimate just how sophisticated the abilities of animals that use ultrasound are.我們往往低估了使用超音波的動物的能力有多複雜。
- 7They can detect ultrasound; this means that when a bat approaches, the moth can detect the bat's presence.它們可以探測到超音波;這意味著當蝙蝠靠近,飛蛾可以察覺到它的存在。
- 8Let's talk about the other end of the acoustical spectrum, sound that is too high for humans to hear—ultrasound.讓我們來談談聲譜的另一端,人類聽不到的聲音——超音波。
- 9The Trilobite scuttles around homes emitting ultrasound signals to create maps of rooms, which are remembered for future cleaning.三葉蟲在房屋周圍飛來飛去,發出超音波信號,繪製出房間的地圖,以備日後清潔時使用。
- 10Zoo spokeswoman Rebecca Smith said, "We have a team come over from Berlin to take ultrasound scans of all our pregnant elephants."動物園女發言人麗貝卡史密斯說:“我們有一個來自柏林的小組給所有懷孕的大象做超聲掃描。”
- 11She also had an ultrasound.她也做了超音波檢查。
- 12The noise in question is ultrasound.此處所提及的噪聲就是超音波。
- 13Ultrasound and the future of abortion.超聲和未來的人工流產。
- 14Who else would celebrate with an Ultrasound Cake?還有誰會用一個超音波音響蛋糕來慶祝?
- 15The size of ultrasound scanners has been falling.超音波掃瞄器的體積,已逐步改小。
- 16Or perhaps, ultrasound can be used instead of lasers.或者用超音波代替雷射。
- 17The researchers observed the reaction using an ultrasound.研究者使用一種超音波觀察到了反應。
- 18If you haven't yet had an ultrasound you're about due for one.如果你還沒有做過超音波檢查,你應該進行一次了。
- 19Bats use ultrasound to pick up vibrations from their prey.蝙蝠用超音波識別獵物發出的震動。
- 20Ovarian cysts can be identified with a pelvic exam or ultrasound.卵巢囊腫可通過盆腔檢查及超聲檢查確診。
- 21The results are published in the journal Cardiovascular Ultrasound.研究結果公布在心血管超音波期刊上。
- 22It is diagnosed clinically and confirmed by CT, ultrasound, or MRI.該臨床診斷可通過CT,超聲,或磁共振檢查加以證實。
- 23The first, phakoemulsification, uses a tiny ultrasound probe to remove the lens.第一個是晶體乳化技術,它使用一根細小的超音波探針去移除晶體。
- 24Ultrasound images were taken to see what was going on in the muscle fibres themselves.超音波影像被用來檢查肌肉纖維本身到底發生了什麼。
- 25The correct ultrasound signal, Pompei suggests, can produce any kind of audible sound.龐貝表明正確的超音波信號產生的各種聲音都可以聽見。
- 26A new ultrasound device for use in open-heart surgery could help patients recover quicker.在心臟外科手術中一種新的超聲設備可以幫助病人更快的康復。
- 27When an ultrasound revealed she was carrying a girl, "I was absolutely shocked," she said.當超音波揭示她懷了一個女孩時,“我是絕對震驚,”她說。
- 28Often, fine-needle aspiration is done using ultrasound to guide accurate placement of the needle.通常,細針穿刺是在超聲引導下進行的,這樣針刺位置準確。
- 29But if a doctor were to put an ultrasound to the mother's abdomen a flickering light would appear.但如果醫生將超音波放在媽媽的腹部,就可以看到閃爍的光線譜跳躍在螢幕上。

