sentry
n
soldier posted outside a building, etc in order to watch or guard it 岗哨; 哨兵
People approaching the gate were challenged by the sentry. 向大门走去的人受到了哨兵的查问.
[attrib 作定语]
sentry duty 哨兵的值勤.
🔁 扩展释义
*['sentri]n. 哨兵, 看守vt. 设岗哨vi. 站岗, 放哨相关词组: be on sentry come off sentry stand sentry
Considering how recent these developments are, it is even more remarkable that as long ago as the 1960s, an Englishman, Leon Bagrit, was able to predict some of the uses of computers which we know today.