breakthrough 'breikθru:
释义
n. 突破
[经] 突破, 新发现, 新进展
英文释义
n. making an important discovery
n. a penetration of a barrier such as an enemy's defense
词形变化
复数: breakthroughs
BNC词频排名: 6,455 | 当代语料库词频排名: 5,308