ceiling 'si:liŋ
释义
n. 天花板
[经] 顶点, 顶线, 上限
英文释义
n. the overhead upper surface of a covered space
n. (meteorology) altitude of the lowest layer of clouds
n. an upper limit on what is allowed
n. maximum altitude at which a plane can fly (under specified conditions)
词形变化
复数: ceilings
BNC词频排名: 2,874 | 当代语料库词频排名: 2,641