Participants must undergo intense training to increase their lung capacity while learning crucial safety measures.

参加者必须进行严格的训练以增加肺活量，同时学习残酷的安全措施。

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Participants must undergo intense training to increase their lung capacity while learning crucial safety measures.

参加者必须进行严格的训练以增加肺活量，同时学习残酷的安全措施。

youdao