sentry 'sentri
释义
n. 哨兵, 看守
vt. 设岗哨
vi. 站岗, 放哨
英文释义
n a person employed to keep watch for some anticipated event
词形变化
复数: sentries
BNC词频排名: 12,861 | 当代语料库词频排名: 14,786