barrier 'bæriә
释义
n. 障碍, 栅栏
[化] 势垒; 阻片; 阻挡层
英文释义
n. a structure or object that impedes free movement
n. any condition that makes it difficult to make progress or to achieve an objective
n. anything serving to maintain separation by obstructing vision or access
词形变化
复数: barriers
BNC词频排名: 2,629 | 当代语料库词频排名: 2,609