| 单词 | painless |
| 释义 | painless —painlessly, adv. —painlessness, n. /payn"lis/, adj. 1. without pain; causing little or no pain: painless dentistry; a painless cure. 2. Informal. not difficult; requiring little or no hard work or exertion. [1560-70; PAIN + -LESS] |
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