美國國會單字

***encyclopedia****
The American congress consists of the Senate and the House of Representatives.

Upper House
one of two branches in a bicameral legislature (usually the one that is less representative and has fewer members)

Lower House
one of two branches in a bicameral legislature (usually the one that is more representative and has more members)

senate
n. parliament, legislature, council of citizens with lawmaking and deliberative functions (esp. the U.S. Senate);
house of parliament, building or hall in which a legislative body meets (esp. the chamber of the U.S. Senate)

congressman, congresswoman, member of the us house of representatives