Erythrotin
维生素B12的旧名
🗣️ 情景例句
May I have your name and number, please?
请问你的姓名和电话号码？
I'm sorry, but I can't find the book you lent me.
很抱歉！我找不到你借给我的那本书了。
Most of us have formed an unrealistic picture of life on a desert island.
我们许多人对于荒岛生活有一种不切实际的想法。