C2 noun #72,007 最常用

an instrument that uses the differential transmission and reflection of ultrasonic waves in order to provide an image of a bodily organ

sonograph 30秒了解

  • (noun) an instrument that uses the differential transmission and reflection of ultrasonic waves in order to provide an image of a bodily organ

Meanings

  1. 1
    noun an instrument that uses the differential transmission and reflection of ultrasonic waves in order to provide an image of a bodily organ
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