For the next 10 years she made repeated secret trips back to Maryland, leading over 300 escaped slaves north to freedom in Canada.

之后的十年中，她不断往返于两城市间，帮助300多黑奴逃到自由的加拿大。

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Greater freedom of movement, she says, is making it easier for traffickers to gain access to the north, where many families lack education and are desperate for extra income.

她说，自由运动的扩大使人口蛮子进入北方更加容易。北方的许多家庭缺乏教育，急需额外的收入。

youdao

After winning his own freedom from slavery, Henson secretly helped hundreds of other slaves to escape north to Canada — and liberty.

亨森自己摆脱了黑奴身份获得自由之后，便秘密帮助其他许多黑奴逃奔北方去加拿大——逃奔自由之地。

youdao

He said the slaves of the South would escape by the thousands to freedom in the North.

VOA: special.2009.03.19

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