Bottom trawling is the fishing practice of dragging large nets weighted with chains or other heavy gear across the seafloor to catch groundfish species such as rockfish, cod, and sole.是什么意思_Bottom trawling is the fishing practice of dragging large nets weighted with chains or other heavy gear across the seafloor to catch groundfish species such as rockfish, cod, and sole.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句