improvement im'pru:vmәnt
释义
n. 进步, 改善, 利用
[医] 改善, 好转, 进步
英文释义
n. a change for the better; progress in development
n. the act of improving something
n. a condition superior to an earlier condition
词形变化
复数: improvements
BNC词频排名: 1,440 | 当代语料库词频排名: 1,936