adjective🔗Share无效的，不起作用的 Incapable of having the intended consequence."The herbal remedy proved inefficacious at relieving his headache, as it did nothing to lessen the pain. "这种草药疗法并没有效果，对缓解他的头痛毫无作用，一点都没减轻他的疼痛。outcomeabilityqualitynegativefunctionsystemplanprocessChat with AIVocabulary GamePractice Reading
adjective🔗Share无效的, 不管用的 Not effective."The doctor warned that the old cough syrup might be inefficacious against my persistent cough, and suggested a stronger medication. "医生警告说，那种旧的止咳糖浆可能不管用，治不好我这顽固的咳嗽，所以建议我用更强的药。outcomefunctionabilityqualityChat with AIVocabulary GamePractice Reading
