To test the polluting power of northern fulmars, researchers from the University of Ottawa in Ontario collected sediment from 11 ponds on Devon Island.是什么意思_To test the polluting power of northern fulmars, researchers from the University of Ottawa in Ontario collected sediment from 11 ponds on Devon Island.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句