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单词
kilohertz
释义
kilohertz n (pl unchanged 复数不变) (abbr 缩写 kHz) (also kilocycle) unit of frequency of electromagnetic waves; 1000 hertz 千赫(频率单位, 等於1000赫兹).
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ukulele
ulcer
ulcerate
ulceration
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ulterior
ultimate
ultimately
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ultra-
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ultrasonic
ultrasound
ultraviolet
ululate
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umbilical cord
umbilicus
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更新时间:2026/5/9 2:22:40