敌军显示出进攻的迹象，部队不得不进入戒备状态。

Warnings of an enemy attack forced the troops onto the defensive.

《牛津词典》

美国陆军部队和装甲部队阻断了进入主殿庭院的通道。

U.S. Army troops and armour blocked access to the main palace grounds.

《柯林斯英汉双解大词典》

美国陆军部队和装甲部队阻断了进入主殿庭院的通道。

U.S. Army troops and armour blocked access to the main palace grounds.

《柯林斯英汉双解大词典》