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ultra sound的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 ultrasound:
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very high frequency sound; used in ultrasonography
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using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
