a small opening appeared
一个小开口出现了
以上为机器翻译结果，长、整句建议使用 人工翻译 。
One day a small opening appeared.
一天茧开了个小口。
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One day, a small opening appeared on a cocoon, a man sat and watched for the butterfly for several hours as it struggled to force its body through that little hole.
在一个蚕茧上出现一个小洞孔；一个人坐在那几个小时观察这只蝴蝶，看它怎样努力迫使自己的身体从这个小洞出来。
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