/juːnɪˈkæmərəl ˈlɛdʒɪsˌleɪtʃər/ – Phrase
Definition: cơ quan lập pháp một viện.
A more thorough explanation: A unicameral legislature is a type of legislative body that consists of a single chamber or house, as opposed to a bicameral legislature, which has two chambers. In a unicameral legislature, all legislative functions, such as proposing, debating, and passing laws, are carried out by the single chamber.
Example: In a unicameral legislature, all legislative powers are vested in a single chamber, as opposed to a bicameral system where there are two separate chambers.