Among the many waterborne disease-causing viruses are hepatitis a and norwalk; the pathogenic protozoa include cryptosporidium entamoeba and giardia.

而主要的水媒病毒为a型肝炎病毒及诺华克病毒；会引起疾病的原生动物，则包括隐孢子虫、内阿米巴原虫、梨形鞭毛虫等。

youdao

Norwalk is about eighteen miles east of here on Route 7.

诺沃克在这儿以东18英里的7号公路上。

youdao

While some manufacturers such as Norwalk have been offering it for years, the growing demand has made more manufacturers take notice.

虽然一些如诺沃克这样的制造商已经提供了多年这样的服务，但不断增长的需求引起了更多的制造商的注意。

youdao

Metro-North said train service will remain suspended between South Norwalk and New Haven until further notice.

WSJ: Probe into Conn. train crash giving way to cleanup

About eight towns were of the most concern, including Greenwich, Stamford, Bridgeport and Norwalk.

WSJ: Sandy Wallops Region

In Los Angeles County, California, authorities arrested a man at a theater in Norwalk on Sunday.

CNN: SHARE THIS