形似箱子的笼子，用硬质材料做框架，用尼龙丝围严，多用于养鱼以提高产量，也便于捕捞fish cage

• 那是网箱养鱼，养的是虹鳟鱼。

  That is fish cage aquaculture. Rainbow trout are being farmed.

• 厦门马銮湾、凤林湾一带的养殖场上，网箱一个紧挨一个。

  In the aquaculture farms in the Maluan Bay and Fenglin Bay areas of Xiamen, fish cages are packed tightly together.