uncoloured
/ˌʌnˈkʌləd/( <美> uncolored)
adjective
1- having no colour; neutral in colour无色的; 本色的; 无彩色的。
1.1
- not influenced, especially in a negative way无负面影响的; 未经渲染的：
explanations which are uncoloured by the observer's feelings.
未受观察者情绪影响的解释。