unambiguous
adjective uk/ˌʌn.æmˈbɪɡ.ju.əs/ us/ˌʌn.æmˈbɪɡ.ju.əs/
不含糊的，明确的
expressed in a way that makes it completely clear what is meant
The minister promised a clear and unambiguous statement on the future of the coal industry. 部长称她将尽快就煤炭工业的前途问题作一个清楚明确的表示。