In the one into which Peter unsuspectingly sank the springs were broken, and he hit the backs of his knees against the wooden frame.
彼特不经意
坐下
，
子
弹簧一下就断了，他膝背竟打在子木框架上。
;
;
罪;,欢欣;;;;;
过
式和过分词;;In the one into which Peter unsuspectingly sank the springs were broken, and he hit the backs of his knees against the wooden frame.
彼特不经意坐下，子弹簧一下就断了，他膝背竟打在子木框架上。
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