turnpikes怎么读？

The workers who were employed building turnpikes and canals died like flies in the swamps.那些受雇建公路和运河的工人在沼泽地区大批死去.Turnpikes are not for turkeys! Sandwiches are. And who wants tire tread in his lunch?收费高速公路可不是为火鸡而生的! 三明治才是...

n.公路，付费公路( turnpike的名词复数 )，（旧时的）收税关卡...