| 单词 | beam |
| 释义 | beam /bum; dim/ n 1 long horizontal piece of squared timber, or of steel, light alloy, concrete, supported at both ends, used to carry the weight of a building, etc. 健筑物中的) 横梁; 桁 (方木材，或为钢、轻合金、混凝土所制成) 。 2 horizontal cross-timber in a ship, joining the sides and supporting the deck(s); the greatest width of a ship, → the illus at ship. 船梁 (船上连接两液并支持甲板之横木); 船宽 (参看 ship 之插图) 。 6n/off the port/starboard ~, on/at a distance from either side. 在 (远离) 左 (右) 胶。 on her, ~-'ends, (of a ship) lying over to one side; almost capsizing. (指船) 倾向一边; 几至倾覆。 De on one's, ~-'ends, (of a person) at the end of one's financial resources; destitute; (指人) 经济拮据的; 穷困的。 broad in the ~, (colloq, of a person) wide and stocky. (俗, 指人) 矮胖而且臀部宽阔的。 3 a crosspiece of a balance, from which the scales hang. 天平的横杆。 → the illus at balance. 参看 balance 之插图。 b chief piece of timber in an old-style plough, to which the share is fastened. (旧式金的) 的柄。 4 a ray or stream of light (eg from a lamp or lighthouse, the sun or moon); (fig) bright look or smile, showing happiness, etc: (发自灯、灯塔或日月等之) 光柱; (喻) 高兴的表情或微笑： with a ~ of delight. 带着一种高兴的表情。 b directed electromagnetic waves: 定向电磁波： the ~ system, by which short waves are directed to a specific target. 无线电短波定向播送法 (将短波向某一特定方向放送之方法) 。 ( c) radio signal used to direct an aircraft on its course. 指导飞机航道的无线电信号; 领航信号。 on/off the ~, (of an aircraft) following/not following the radio (colloq) on the right/wrong track; behaving in a way likely/unlikely to be right. (指飞机) 依从 (未依从) 领航信号; (俗) 在常轨上 (入歧途); 行为 (不) 正当。 vt, vi 1 [VP2C] (of the sun, etc) send out light and warmth; (fig) smile happily and cheerfully: (指太阳等) 发出光与热; 放射; (喻) 高兴地微笑： ~ing on his friends; 对他的朋友髙兴地微笑; ~ing with satisfaction. 满意地微笑着。 2 [VP6A, 14] ~ sth (to). (telegraphy) broadcast (a message, radio programme, etc) in a particular direction: (电信) 向某一特定方向播送 (电信、广播节目等)： ~edfrom Britain to S America. 从英国向南美洲播送的。 |
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