基本解釋adj.無痛的;不痛的同根派生 painlessness相關(guān)詞英漢例句用作形容詞 (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.主要的臨床癥狀為無痛性腫瘤。Walking is an easy, painless and powerful form of exercise.走路是一種簡單、不痛苦又有效的運動。painlessness更多例句