发出轻敲声的人。
发出轻敲声的人。
One who makes a tapping noise.
踢踏舞演员。
A tap-dancer.
窃听者。
A wiretapper.
早期无线电报中,用来震松粉末检波器金属屑的装置。
In early wireless telegraphs, a device used to shake loose the filings of a coherer.
残疾人游泳运动中的助理,用杆子轻敲盲人或视力受损的游泳者,示意他们应转身。
An assistant in the sport of paraswimming who taps blind or visually impaired swimmers with a pole to indicate when they should turn around.
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