Please weigh it, and would you tell me whether this parcel is too large for parcel post?
请称一下，你能否告诉我这包东西作为包裹邮寄是否太大了吗?
No. By air or ordinary mail?
不会。航空邮寄还是普通邮寄?
I'd rather send it by ordinary mail. How much do I have to pay?
我想寄普通邮件。我得付多少钱?
20 yuan. Here is the receipt.
20元。给你收据。
air mail n.航空邮政，航空邮件
ordinary a.通常的，普通的;平庸的，平淡的