| 单词 | ceilometer |
| 释义 | ceilometer in British English (siːˈlɒmɪtə) noun a device for determining the cloud ceiling, esp by means of a reflected light beam Word origin C20: from ceiling + -meterceilometer in American English (siˈlɑmətər) US noun an automatic device used to determine the height of a cloud ceiling, as by means of a reflected light beam Word origin < ceiling + -o- + -meter |
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