unadulterated

1. ADJ Something that is unadulterated is completely pure and has had nothing added to it. 纯粹的; 未掺杂的

Organic food is unadulterated food produced without artificial chemicals or pesticides. 有机食品是纯粹的不含人工化学制剂或杀虫剂的食物。

2. ADJ You can also use unadulterated to emphasize a particular quality, often a bad quality. 十足的 ; 完全的(通常指贬义)[ADJ n] [强调]

It was pure, unadulterated hell. 那是纯粹的，十足的地狱。