Sarkin
[医] 次黄嘌呤, 6-羟基嘌呤
🗣️ 情景例句
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
Jerry listened to the adventure program on the radio.
杰瑞在收听收音机的冒险节目。
No, not very. You need a driving permit. Have you got one?
不，不很贵。你需要一个驾驶执照。你有没有？