roof-tree
基本解释
- n.棟梁；屋脊大梁
英汉例句
- The timber carries the whole weight of the roof.
棟梁支撐屋頂全重。 - Turning my fluttering heart into a tree, let it stand firmly to welcome the baptism of time, being the paragon of mankind and the pillar of the nation.
化心旌爲樹，迎接時代的洗禮，堅毅地站著，爲人類之霛長，爲民族之棟梁。