VOA慢速英语:Sanders, Trump Win in Michigan

primary election – n. an election in which members of the same political party compete against each other for the chance to be in a more important election

poll – n. an activity in which several or many people are asked a series of questions in order to get information about what most people think about something

Democratic Party – n. one of the two main political parties in the U.S.

Republican Party – n. one of the two main political parties in the U.S.

GOP – n. short for "Grand Old Party," the nickname of the Republican Party

stake – n. in a position to be lost or gained