bicameral

• 指由两个独立的议院或议事机构组成的立法机关，如参议院和众议院。

Describes a legislative body that has two separate chambers or houses, such as the Senate and the House of Representatives.

1. Two legislative chambersC1formalpolitical

   Having or consisting of two separate legislative houses or chambers, such as a senate and a house of representatives.

   两院制的

   • The United States Congress is a bicameral legislature, comprising the Senate and the House of Representatives.
   • Many democracies adopt a bicameral system to ensure balanced representation.
   • The reform proposed changing the parliament from unicameral to bicameral.

   同义词two-chambered

   反义词unicameral

2. Two-chambered structureC2formalscientific

   Having two chambers or cavities, often used in anatomy or biology to describe a structure divided into two parts.

   双腔的

   • The heart of a fish is bicameral, consisting of one atrium and one ventricle.
   • Some ancient organisms had a bicameral body plan.
   • The term 'bicameral' is also used in psychology to describe a theory of the mind.

   同义词biloculartwo-chambered