三思而饮！无论溪水看着多么干净清澈，它都可能含有可以引起不适、甚至有时会引起严重疾病的水源性寄生虫和微生物。旅途中带上水，或者用化学制剂净化水。 更多贴士请见：http://www.fs.fed.us/recreation/safety/safety.shtml

Think before you drink! No matter how clean or pure stream water looks, it's likely to contain water-borne parasites and microorganisms that can cause discomfort and sometimes serious illness. Pack your water in, or purify through chemical treatment.

See more tips at

http://www.fs.fed.us/recreation/safety/safety.shtml