indentured怎么读？

v.以契约束缚（学徒）( indenture的过去式和过去分词 )...

Daniel arrived in Maryland as an indentured servant.丹尼尔作为契约佣工来到马里兰州。They are descendants of indentured importees.他们是契约外来工的后代.His son was indentured to the local blacksmith.他的儿子拜当地的铁匠为师签订了师徒合同....