Seromucus
血清粘液
🗣️ 情景例句
What time should I call back?
我应该何时再打来？
I think your industrial robots are the best in the field.
我认为你们的工业机器人在这领域是最好的。
My husband likes steak,but he doesn't like chicken.
我丈夫喜欢牛排，但他不喜欢鸡。