propagation .prɒpә'geiʃәn
释义
n. 增殖, 繁殖, 宣传
[医] 传播, 繁殖, 持续培养
英文释义
n. the spreading of something (a belief or practice) into new regions
n. the movement of a wave through a medium
词形变化
复数: propagations
BNC词频排名: 12,741 | 当代语料库词频排名: 15,569