adjective🔗Share无痛的，不费力的 Free from pain; without pain or trouble."The dentist's new drill is painless, so I wasn't afraid of the procedure. "这位牙医的新钻头是无痛的，所以我一点也不害怕治疗过程。medicinesensationChat with AIVocabulary GamePractice Reading
adjective🔗Share容易的，不费力的 Not difficult; easy."The assignment was painless; it was straightforward and easy to complete. "这次作业很简单，直接明了，完成起来毫不费力.attitudeabilityqualityChat with AIVocabulary GamePractice Reading
