unicameral
adj. 单院的；一院制的
例句
Australia is an unicameral country.
澳大利亚是一院制的国家。
The Parliament is a unicameral 225-member legislature.
议会为一院制，由225名议员组成。
The unicameral Congress has 14 members elected by popular vote.
一院制议会的14个席位由民众选举产生。
