Norbiotin
降生物素
🗣️ 情景例句
What was that?
你说什么？
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
He looked very well though he was rather thirsty, for he drank half a bottle of milk.
它看上去一切正常，只是口渴得很，喝了半瓶牛奶。