英语词汇“ultrasonic motion detector”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ultrasonic motion detector
释义	ultrasonic motion detector ultrasonic motion detector A motion detector employing sound waves having a frequency usually above 20,000 Hz.
随便看	sistrunk sistrunk band retractor sistrunk dissecting scissors sistrunk double-ended retractor sistrunk operation sistrunk procedure sistrunk retractor sistrunk scissors sistrunk, walter ellis sistrurus sistrurus catenatus sistrurus catenatus catenatus sistrurus catenatus consors sistrurus catetanus sistrurus miliaris sistrurus miliarius sistuhs sisu si suggestio non sit vera sisum sisuphos sisv sis/vpn sisw siswd

英语词典包含2567994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。