由于近海水域生态环境因素的变化，赤潮生物常常侵袭到海水养殖池塘中，给养殖业造成严重威胁。

Due to the changes of the aquatic environment throughout the coastal area in the world, the red tides keep on bringing damage to the breeding ponds, which has caused serious impacts.

youdao

由于近海水域生态环境因素的变化，赤潮生物常常侵袭到海水养殖池塘中，给养殖业造成严重威胁。

Due to the changes of the aquatic environment throughout the coastal area in the world, the red tides keep on bringing damage to the breeding ponds, which has caused serious impacts.

youdao