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ceiling ['si:lɪŋ] 名词
军队, 缩写 ceil
缩写 clg (eatme)
航空, 加拿大 The lesser of: a the height above ground or water of the base of the lowest layer of cloud covering more than half the sky; or b the vertical visibility in a surface-based layer which completely obscures the sky
航空, 国际民航组织 The height above the ground or water of the base of the lowest layer of cloud below 6000 m 20 000 ft covering more than half the sky
航空, 美国人 The heights above the earth's surface of the lowest layer of clouds or obscuring phenomena that is reported as "broken," "overcast," or "obscuration," and not classified as "thin" or "partial."
CEIL [si:l] 动词
军队 combat essential items list
缩写, 化学 maximum allowable exposure limit (Lesya1986)
ceil. 缩写
缩写, 建造 ceiling
ceil [si:l] 缩写
缩写 ceiling