beam
/ˈbiːm/ 名词 B2中文： 梁、横梁、光束、光线
- Any large piece of timber or iron long in proportion to its thickness, and prepared for use.
- One of the principal horizontal structural members, usually of steel, timber, or concrete, of a building.
- One of the transverse members of a ship's frame on which the decks are laid, and acting as part of the support for keeping the sides of the vessel in shape — supported at the sides by knees in wooden ships and by stringers in steel ones; cf. abeam, beam-ends.
- The maximum width of a vessel (note that a vessel with a beam of 15 foot can also be said to be 15 foot abeam). · This ship has more beam than that one.
- The direction across a vessel, perpendicular to fore-and-aft.
- The straight part or shank of an anchor.
- The crossbar of a mechanical balance, from the ends of which the scales are suspended.
- In steam engines, a heavy iron lever having an oscillating motion on a central axis, one end of which is connected with the piston rod from which it receives motion, and the other with the crank of the wheel shaft.
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There, indeed, just under the corner of the great beam the house rested on, two feet were sticking out, shod in silver shoes with pointed toes.
Over the low, heavily-lintelled door, in the centre of this old part, is chiseled the date, 1607, but experts are agreed that the beams and stonework are really much older than this.
Franz had already made seven or eight similar excursions to the Colosseum, while his less favored companion trod for the first time in his life the classic ground forming the monument of Flavius Vespasian; and, to his credit be it spoken, his mind, even amid the glib loquacity of the guides, was duly and deeply touched with awe and enthusiastic admiration of all he saw; and certainly no adequate notion of these stupendous ruins can be formed save by such as have visited them, and more especially by moonlight, at which time the vast proportions of the building appear twice as large when viewed by the mysterious beams of a southern moonlit sky, whose rays are sufficiently clear and vivid to light the horizon with a glow equal to the soft twilight of a western clime.
The lower part of his dress was more distinctly visible by the bright rays of the moon, which, entering through the broken ceiling, shed their refulgent beams on feet cased in elegantly made boots of polished leather, over which descended fashionably cut trousers of black cloth.
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