otiose
adj. 不必要的,没有用处的
1. serving no useful purpose; having no excuse for being;
2. producing no result or effect;
3. disinclined to work or exertion;
an otiose round of meetings
一轮无用的会议
Objective To study the antitumor activity of otiose and coumarin in novobiocin.
目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性.