lubricantKK [ˋlubrəkənt] /ˈlubɹəkənt/發音名詞1潤滑劑、潤滑油Apply a little lubricant to the chain before your next ride.下次騎車前，先在鏈條上塗一點潤滑油。2潤滑液The pharmacy sells water-based lubricant on the lower shelf.藥局的下層架子上有賣水性潤滑液。3潤滑劑、緩和劑比喻A few drinks often act as a social lubricant at these events.在這類場合，幾杯酒常常成為社交的潤滑劑。形容詞1潤滑的技術The machine needs a thin lubricant film between the moving parts.這部機器的活動零件之間需要一層薄薄的潤滑油膜。