单词	Underground Railroad
释义	Underground Railroad, theˌUnderground ˈRailroad, the a group of people in the US who illegally helped slaves to become free by helping them to escape to the northern US and Canada, in the period before the civil war. One of its best-known members was Harriet tubman.
随便看	coinage coincide coincidence coincident coincidental coincidentally coinsurance coinsure coir coital coitus coke cokehead Col. col COLA cola colander Colchester cold cold-blooded cold-bloodedly cold-bloodedness cold call cold-calling

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