Natrascorb
维生素C钠
🗣️ 情景例句
Make sure you file this invoice straight away; I don't want it being misplaced.
记得现在就把发票给开了，我可不想弄错了。
I'll come. I give you my word.
我会来的。我向你保证。
You are John Smith, the engineer,aren't you?
你是工程师约翰。史密斯，对吗？