当准备回家的时候发现
When I was about to go home
以上为机器翻译结果，长、整句建议使用 人工翻译 。
更糟的是，当他们决定不学了，准备回家的时候，却发现把自己原来走路的方式都忘了，只好爬着回去。
Even worse, when they decided to give that up and were ready to return, they found they had forgotten how they had walked before. As a result, they had to crawl back home.
youdao
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