One young policeman stood guard outside the locked embassy gates.
一名年轻的警察在大门紧闭的使馆外站岗。
《柯林斯英汉双解大词典》
2
When we arrived at the factory gates, my father spoke to the guard and one minute later we went inside.
我们到达工厂大门时，我父亲对门卫说了几句话，一分钟后我们进了工厂。
3
Where damage has been identified, it has been cracking high in the dam and where additional features such as curbs, railings, gates, or guard or control houses are located.