ordinary mailsurface mail平: flat; level; even; smooth郵: post; mail和平郵報(bào): friend post延雪平郵報(bào): jonkopings posten; jonkopings-posten副本用平郵寄交我行: s by sea-mail下載手機(jī)詞典可隨時隨地查詞查翻譯