关口的英文：
col

Most of the passes have been closed with the onset of winter.
冬天来临，大部分关口均已关闭。

"a narrow gorge or pass that restricts lateral movement, as of troops."
只能容许军队等的侧面行进的狭窄的关口小径.

Even Stirling Bridge, which is the main pass over that river, would be watched with little interest.
甚至这条河的主要关口施德林桥，也一定是马马虎虎地监视着的。

The sheriff said that the posse could head off the outlaws at the pass.
那位行政司法长官说，警察们可以在关口截住那些亡命之徒。

the master of the train or the person in charge of the vehicle shall notify CIQ of the above-mentioned information.
列车或者其他车辆到达车站、关口时，列车长或者其他车辆负责人应当向卫生检疫机关报告。

COL.SMITH We imply that there will be a significant increase in centralization necessary to conduct long range strikes with a system of systems
史密斯:我们的意思是，对于实施“系统集成”的远距离打击来说，更需要增加指挥与控制的集中程度。

As they passed the trellis with the banksia roses they spotted Col.Lei and Hsu Man-li emerging from a grove and hurrying towards the funeral hall
他们刚走过那架木香花棚的时候，看见雷鸣和徐曼丽正从树荫中走出来，匆匆地跑向“灵堂”前去了。