extinction ik'stiŋkʃәn
释义
n. 消失, 消灭, 废止
[化] 消光; 熄灭
英文释义
n. no longer active; extinguished
n. no longer in existence
n. the reduction of the intensity of radiation as a consequence of absorption and radiation
词形变化
复数: extinctions
BNC词频排名: 7,889 | 当代语料库词频排名: 6,977