Nbcs
[医][=newborn calf serum]新生牛血清
🗣️ 情景例句
Who is that?
那是谁呀？
Walls have ears.
隔墙有耳。
Whatever it consists of, stamps, records, first editions of books china, glass, antique furniture, pictures, model cars, stuffed birds, toy animals,
不管收藏品是什么，邮票、唱片、头版书籍、瓷器、玻璃杯、老式家具、绘画、模型汽车、鸟类标本，还是玩具动物，