扼守

They are going to guard the pass.

他们准备去扼守关口.

The army would try to hold the western desert with a bare minimum of forces

军队会用尽可能少的兵力扼守西部的沙漠。

It is because the mobile handset is the Internet entrance and the first guardian of the mobile Internet portal, the first for a variety of virus; mobile phone has become a fortress.

正是因为手机终端作为登入移动互联网最便捷的方式，扼守着移动互联网的第一入口，首当其冲成为各种病毒、恶意软件争夺的要塞。

Republic of Turkey steps over the asian continent and the european continent, holds a strategic point of Black Sea, which is the channel between Black Sea and the Mediterranean.

土耳其共和国地跨欧亚大陆，扼守土耳其海峡，是黑海进入地中海的通道，其地理位置具有重要的战略意义。

The army would try to hold the western desert with a bare minimum of forces.

军队会用尽可能少的兵力扼守西部的沙漠。

The soldiers held the mountain pass and beat back the intruders.

战士们扼守住山口,打退了敌人的进犯.