Despite its proximity to my current base in the Turkish port of Trabzon, an extensive search still hasn’t uncovered any maps of Georgia.

尽管格鲁吉亚离我现在所在的土耳其港口城市特拉布松（Trabzon）不远，我做了大量搜索之后还是没有找到任何格鲁吉亚的地图。

youdao

The most extensive search effort in history involved 150planes and dozens of ships , but it didn't find any sign of the missing aircraft at all.

这次有史以来最广泛的搜索努力动用了150架飞机和几十只船， 可是却没有发现任何失踪飞机的痕迹。

youdao

The security forces have extensive powers of search and arrest.

安全部队有很大的搜查和逮捕的权力。

《柯林斯英汉双解大词典》

Coastguards began an extensive search overnight after the crabber was reported missing at about 18:00 BST.

BBC: The Purbeck Isle

Officers said an extensive search of the area had taken place and they were viewing CCTV footage.

BBC: Man 'stable' after Nottingham stab attack

After an extensive search, they chose a twenty-five-year-old lyricist who had never worked on a Broadway musical before.

NEWYORKER: Groupthink