Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.

Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.

急性肠胃炎，是一种很危险的胃病。出现急性肠胃炎后，病人会感觉十分疼痛难受。从健康饮食的角度考虑，急性肠胃炎病人 ...