| 释义 |
summer2/ˈsʌmə/n. (in full 全称 summer-tree) a horizontal bearing beam, esp. one supporting joists or rafters (尤指支撑小梁或椽子的)檩条，大梁，横梁 [Middle English via Anglo-French sumer, somer ‘packhorse, beam’, Old French somier and Late Latin sagmarius, from sagma, from Greek sagma ‘packsaddle’] |