pillar box
noun [ C ] UK uk/ˈpɪl.ə bɒks/ us/ˈpɪl.ɚ bɑːks/
（红色的）信筒，邮筒
a tall, red, metal box in the street or other public place in which you can put letters for them to be collected and sent to someone else
Compare: letterboxpostbox
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。