5. 清泉四季长流，瀑布溅石有声；
清：清澈 limpid，crystal clear
四季: the four seasons；all year round
瀑布：waterfall, cataract, cascade（小）
【译文】Crystal clear spring keeps running all year round, with cascades splashing down onto rocks (, creating roars).
6. 动植物资源极其丰富；
【译文】It abounds in animal and plant resources.
7. 各种花卉竞相开放，各种野果随处可见，
竞相：互相争胜 contend for/compete for…with each other
【译文】Blooming flowers of all sorts contend for beauty and wild fruits are grown everywhere.
8. 野生动物时隐时现；
时隐时现:时…时…：now…and then…；now appear and then disappear
【译文】Occasionally one can see wild animals here.