adv.但是；还；已经；又，再conj.然而，但是； 双语释义：adv.(副词)还,尚,仍然 before now; still已经already甚至,更evenconj.(连词)然而,但是 but at the same time; however英英释义： yet[ jet ]adv.up to the present time"I have yet to see the results"; "details are yet to be worked out"used in negative stat