搜寻用抓钩或拖网在水底进行搜寻或打捞。

To search or sweep the bottom body of water, as with a grappling hook or dragnet.

youdao

搜寻用抓钩或拖网在水底进行搜寻或打捞。

To search or sweep the bottom body of water, as with a grappling hook or dragnet.

youdao