Penilloaldehyde
[医] 青霉醛
🗣️ 情景例句
Sit down, sit down.
请坐， 请坐。
What is on the schedule this morning?
今天上午有什么安排？
Yes, there is. Walk along this road, and take the fourth turning on the left.
是的，有。沿这条道走，然后在第四个路口向左拐。