桥梁: bridge (and fig.)...
会诊: consultation (medical), to meet for diagnosis, (by extension) consultation of different specialists...
序幕: prologue...
喂养: to feed (a child, domestic animal etc), to keep, to raise (an animal)...
宁可: preferably, one would prefer to...(or not to...), would rather, (would) be better to, (to pick) the lesser of two evils...
综上所述: to summarize, to sum up...
矿产: minerals...
掺: to grasp...
遇难: to perish, to be killed...
翻天覆地: sky and the earth turning upside down (idiom); complete confusion, everything turned on its head...