Oraluton
[化] 脱水羟基孕甾酮
🗣️ 情景例句
What's your problem, Mike?
你现在问题在哪 ，Mike？
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
Yesterday morning she came into class as usual.
昨天早上，她像往常那样走进教室。