基本解释adj.無痛的;不痛的同根派生 painlessness相关词英汉例句用作形容詞 (adj.)The scan is safe, quick and painless.掃描過程是安全、快速和無痛的。The most common presenting symptom is a painless mass.主要的臨牀症狀爲無痛性腫瘤。Walking is an easy, painless and powerful form of exercise.走路是一種簡單、不痛苦又有傚的運動。painlessness更多例句