The media dredged up a scandal.

媒体爆出了一桩丑闻。

Technique for dredged material disposal.

疏浚土处理技术；

He dredged a bottle up that swam on the water.

他捞起漂浮在水面的一只瓶子。

Recycling and utilization of dredged material.

疏浚土的再循环和利用。

They dredged up some old toys from the bottom of the trunk.

他们从树干底部挖出一些旧玩具。