1. The enemy was holed up in a few isolated strongholds. 敌人龟缩在几个孤立的据点里。
2. Bracken fern has been spreading from its woodland strongholds for centuries, but the rate of encroachment into open countryside has lately increased alarmingly throughout northern and western Britain. 蕨类植物已经从它的林地据点向外蔓延了几个世纪,但是最近在整个英国北部和西部,蕨类植物侵入开阔乡村的速度却惊人地增长。
3. This valley is one of the last strongholds of the Siberian tiger. 这条山谷是西伯利亚虎最后的几个主要栖息地之一。
4. Kinshasa is one of his strongholds. 金沙萨是他的据点之一。
5. Many in its main strongholds voted yes. 它的许多主要强力支持者们都投了赞成票。