Bear drops into the swamps of Florida's Everglades, where at least 60 tourists need to be rescued each year. He trudges through the swamp and shows how to construct shelter, deal with razor-sharp sawgrass, get out of a muddy sinkhole, avoid alligators and rattlesnakes. He eats frogs and cooks a turtle Seminole-style.确实非常重要，起码在(zài )没发现石油的情况下，这(zhè )个煤矿，能(😶)够使用(🔩)相当长的时间。还好现在用(yòng )量不(bú )大(🕰)，依靠人力搬运也暂时能够供(gòng )应部落的(de )需(xū )求。