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单词
ultrasound
释义
ultrasound n[U] sound withan ultrasonic frequency; ultrasonic waves 超声(波) [attrib作定语] an ultrasound scan, eg to detect abnormality in a foetus 超声波扫描检查(如可用以检查胎儿是否畸形).
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更新时间:2024/11/8 23:11:40