noun🔗Share润滑剂，润滑油。 A substance used to reduce friction between objects or surfaces."The bike chain was squeaking loudly, so I applied lubricant to it to make it run smoothly. "自行车链条吱吱作响，所以我给它上了润滑油，让它运行更顺畅。substancematerialscienceindustrytechnicalmachineChat with AIVocabulary GamePractice Reading
noun🔗Share润滑剂, 人体润滑剂 A personal lubricant."She bought personal lubricant at the pharmacy to help with discomfort during intimacy. "她在药房买了人体润滑剂，以减轻亲密时的不适。bodysexmedicinesubstanceChat with AIVocabulary GamePractice Reading
