Desalination is carried out by simply lowering into the ocean a long, hollow pipe capped at the lower end by a semipermeable membrane.是什么意思_Desalination is carried out by simply lowering into the ocean a long, hollow pipe capped at the lower end by a semipermeable membrane.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句