VOA慢速英语:US Supreme Court Hears Gay Marriage Debate

constitutional – adj.  allowed by a country's constitution

legalization – noun.  allow something by law

tip his hand – idiom. to show what one thinks

valid – adj. acceptable according to the law

indicate  - v. to show something

upheld –v. (past) support or defend a law

interracial – adj. involving people of two or more races