One northbound wood thrush, however, chose not to cross the Gulf of Mexico, possibly because it was underfed and tired due to environmental damage in its wintering grounds in South America.是什么意思_One northbound wood thrush, however, chose not to cross the Gulf of Mexico, possibly because it was underfed and tired due to environmental damage in its wintering grounds in South America.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句