Haag
[醫][=hepatitis A antigen]甲型肝炎抗原
??? 情景例句
Can you finish the work by five o'clock tomorrow?
你能在明天五點鐘之前做完這項工作嗎？
Up to you.
隨便你。
I'm sorry to have bothered you.
對不起，打擾你了。