Previtamin
维生素原, 前维生素
🔁 扩展释义
【医】 前维生素(维生素先质)
🗣️ 情景例句
I'm in the mood for soft serve ice cream.
我想吃现装雪糕。
You should wear a something warm, It's chilly today.
你应该穿暖和一些的衣服，因为今天很凉。
he instructs the bank to debit his account only in respect of cheques drawn by himself.
嘱咐银行他的存款只能凭他本人签字的支票来提取。