单词 | supersound |
释义 | > as lemmassupersound supersound n. Brit. /ˈsuːpəsaʊnd/ , /ˈsjuːpəsaʊnd/ , U.S. /ˈsupərˌsaʊnd/ sound of too high a frequency to be perceived by humans; = ultrasound n.; (also) sound of an intensity above the threshold of pain.ΘΚΠ the world > physical sensation > hearing and noise > thing heard > [noun] > sound > supersound or ultrasound supersound1920 ultrasound1923 ultrasonics1924 1920 R. A. Millikan in R. M. Yerkes New World Sci. iii. 47 Super-sound signaling under water was successfully accomplished by Dr. Langevin and applied experimentally in submarine detection. 1942 Pop. Sci. Monthly Feb. 49/2 Sound waves too powerful for the human system to bear, and others too high in pitch for the human ear to hear, are new miracle-working tools in science and industry. In dozens of laboratories, scientists are perfecting sound-generating devices, and discovering new uses for supersound and ultrasound. 1952 Chambers's Jrnl. 1 June 363 Scientists have been having the time of their lives exploring super sound. 2008 S. V. Szokolay Introd. Archit. Sci. (ed. 2) 213 Above the latter there may be super-sounds, but there is no specific term for the below threshold sounds. < as lemmas |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。