send ... by post (英) 或 mail (美) (pt, pp sent)
⇒ 邮递印刷品很便宜。
It's very cheap to send printed matter by post.
英语词典包含298861条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。