Nbcs
[医][=newborn calf serum]新生牛血清
🗣️ 情景例句
Did you have dinner, Robbie?
你吃晚餐了吗， Robbie？
May I refill your drink?
再喝一杯如何？
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.
未来的几代人有可能难以相信，在这个世间曾经有这样的一个人行走过。"