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单词 ultrasonic
释义
J23191344ultrasonicSpoken.11Fiction.15Magazine.54Newspaper.11Academic.253

ultrasonic

/ˈʌltrəˈsɒnɪk/
adjective
of or involving sound waves with a frequency above the upper limit of human hearing
超声的。
派生词

ultrasonically

adverb
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更新时间:2025/3/13 20:00:33