According to their genetic features,coastal wetlands can be divided into three types: reed and grass wetlands of estuary, grass and salt marsh of plain coast, and mangrove swamps located in the shel.是什么意思_According to their genetic features,coastal wetlands can be divided into three types: reed and grass wetlands of estuary, grass and salt marsh of plain coast, and mangrove swamps located in the shel.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句