单词 |
ultrasonic |
释义 |
Related topics: Physicsul·tra·son·ic /ˌʌltrəˈsɒnɪk◂ $ -ˈsɑː-/ adjective HPultrasonic sound waves are too high for humans to hear 〔声波〕超声的Examples from the Corpusultrasonic• Dolphins emit rapid trains of high-pitched clicks, some audible to us, some ultrasonic.• Similarly, how does a moth perceive the ultrasonic acoustic radar signals of a bat?• All 605s are fitted with a three-way catalytic converter, anti-lock braking system and an ultrasonic alarm as standard.• Cats, too, are sensitive to ultrasonic frequencies and can hear mice and voles in hidden places.• In autumn 1978, ultrasonic pulsing at two-second intervals was recorded at dawn at the King Stone.• Parisi developed the first ultrasonic toothbrush for Cavitron Ultrasonics in New York in 1967.• A handset would contain an ultrasonic transmitter and the television fitted with a matching receiver.• Another use is to produce pictures of an unborn baby by reflecting ultrasonic waves off its body.ul·tra·son·ic adjectiveChineseSyllable waves for Corpus high too sound are humans ultrasonic |
随便看 |
- Clothes-topic off-the-peg
- Clothes-topic off-the-peg
- Clothes-topic oilskin
- Clothes-topic oilskin
- Clothes-topic one-piece
- Clothes-topic one-piece
- Clothes-topic open
- Clothes-topic open
- Clothes-topic open-necked
- Clothes-topic open-necked
- Clothes-topic outerwear
- Clothes-topic outerwear
- Clothes-topic outfitter
- Clothes-topic outfitter
- Clothes-topic outsize
- Clothes-topic outsize
- Clothes-topic overall
- Clothes-topic overall
- Clothes-topic overcoat
- Clothes-topic overcoat
- Clothes-topic overdressed
- Clothes-topic overdressed
- Clothes-topic overshoe
- Clothes-topic overshoe
- Clothes-topic oxford
- Mathematical operation
- Juxtaglomerular
- Stomach-ache
- Somme
- Epithelioid
- Metatarsus
- Analog input
- Control point
- Controlled environment
- Lateral ventricle
- 《下》字义,《下》字的字形演变,小篆隶书楷书写法《下》
- 《下下人有上上智.》什么意思,出自哪里,注释,句意,翻译
- 《下下人有上上智》原文与赏析
- 《下不钳口,上不塞耳,则可有闻矣.》出自哪里,什么意思,注释,句意,翻译
- 《下之事上也,不从其所令,从其所行.》什么意思,出自哪里,注释,句意,翻译
- 《下之所能,上之所用》原文与赏析
- 《下之用力者甚勤,上之用物者有节,民无遗力,国不过费.》出自哪里,什么意思,注释,句意,翻译
- 《下京口埭夜行》原文、注释、译文、赏析
- 《下人成功者,未必皆出其能,皆由主将能导之方略,作其志气.》出自哪里,什么意思,注释,句意,翻译
- 《下台 下野》同义词与近义词
- 《下台;下野》同义词与近义词
- 《下场·结局》同义词与近义词
- 《下堂亲挽上 苏轼 晁咏之》
- 《下塞上聋,邦其倾矣.》出自哪里,什么意思,注释,句意,翻译
- 《下士闻道大笑之,不笑不足以为道.》是什么意思,出处是出自哪里?
- Flyswatter句子
- Living expenses句子
- Lounge around句子
- Prague句子
- Gun for句子
- In some way句子
- Appealingly句子
- Limbed句子
- Puff out句子
- Poke about句子
- Bleu句子
- Fissile句子
- Stealthiness句子
- On occasions句子
- Nitpicker句子
|