They may instead have used their long teeth to dig and chop, in the same way that beavers do, says Paul Barrett, a dinosaur expert at the Natural History Museum, London.是什么意思_They may instead have used their long teeth to dig and chop, in the same way that beavers do, says Paul Barrett, a dinosaur expert at the Natural History Museum, London.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句