词典释义：
事故中坍塌
Alackaday , this cave in accident, the deaths and losses could be prevented and avoided if necessary measures where timely adopted.
呜呼，这次塌陷及人员伤亡原来是可以预防和避免的呀！
Alackaday, this cave in accident, the deaths and losses could be prevented and avoided if necessary measures where timely adopted.
呜呼，这次塌陷及人员伤亡原来是可以预防和避免的呀！
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