介绍:
keywords：continental coastline, extend, be studded with散布， abound in 富于， lead the world, mineral deposits, boast, native, giant panda, Chinese alligator扬子鳄，redwood, living fossils, 采矿业，制造业，建筑业，电力，less people, huge population, due to, fierce, be laid of, living environment, cruel
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