单词 | whistler |
释义 | whis·tler ![]() n. 1. One that whistles: a whistler of popular tunes. 2. a. A marmot (Marmota caligata) of the mountains of northwest North America, having a grayish coat and a shrill, whistling cry. b. Any of various birds that produce a whistling sound. c. A horse having a respiratory disease characterized by wheezing. 3. Physics A very-low-frequency electromagnetic wave of 1 to 30 kilohertz produced by atmospheric disturbances such as lightning and having a characteristically decreasing frequency responsible for a whistling sound in detection equipment. |
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