同根派生 post meridiem相关词英汉例句用作形容词 (adj.)Has the afternoon post arrived?下午的邮件送来了吗？用作副词 (adv.)I am going to take the parcel to the post office this afternoon.今天下午我打算去邮局寄包裹。Has the afternoon post arrived?下午的邮件送来了吗？post meridiem更多例句