painless
英 ['peɪnlɪs]
美['penləs]
- adj. 无痛的；不痛的
英英释意
- 1. requiring little hard work or exertion;
- "a painless solution to the problem"
- 2. not causing physical or psychological pain;
- "painless dentistry"
- 3. with as little pain as possible;
- "a humanely painless killing"