hylandstar
beam 英[bi:m] 美[bim] n. 束; 梁,栋梁; 光线; (电波的) 波束; vi. 发出光与热; 面露喜色; vt. 播送; 以梁支撑; 用…照射; 流露; [例句]Frances beamed at her friend with undisguised admiration弗朗西丝开心地对自己的朋友笑着,毫不掩饰她的羡慕之情。
暗香微漾
girder:A horizontal beam, as of steel or wood, used as a main support for a building or bridge.大梁:一水平的铁制或木制的桁条,用来作为建筑物或桥梁的主要支撑物.beam:A squared-off log or a large, oblong piece of timber, metal, or stone used especially as a horizontal support in construction.梁、栋梁:建筑中用作水平支撑的,多为切成方形的圆木或长方形木材、金属或石头.
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