英语语法分析

So he scraped and scratched and scrabbled and scrooged and then he scrooged again and scrabbled and scratched and scraped, working busily with his little paws and muttering to himself, 'Up we go!

他一边忙着用小爪子扒呀、挖呀、抓呀、挤呀，一边自言自语地咕哝着： “我们上去喽！