The narrow Vall de Boi is situated in the high Pyrenees, in the Alta Ribagorca region and is surrounded by steep mountains.是什么意思_The narrow Vall de Boi is situated in the high Pyrenees, in the Alta Ribagorca region and is surrounded by steep mountains.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句