With singular agreement. The science of sound waves or vibrations with frequencies greater than those audible to the human ear or greater than 20…
| 单词 | θ76763 |
| 释义 | the world > matter > physics > science of sound > vibration > [noun] > above human range > science of (2) supersonics1920 With singular agreement. The science of sound waves or vibrations with frequencies greater than those audible to the human ear or greater than 20… ultrasonics1940 With singular agreement. The branch of science and technology concerned with the study and use of ultrasonic waves. |
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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。