英语词汇“balloon ceiling”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	balloon ceiling
释义	balloon ceiling balloon ceiling [bə′lün ‚sēl·iŋ] (meteorology) The ceiling classification applied when the ceiling height is determined by timing the ascent and disappearance of a ceiling balloon or pilot balloon in United States weather observing practice.
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