beam
柯林斯词典
1. V-T/V-I If you say that someone is beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something. 绽开笑容[书面]
Frances beamed at her friend with undisguised admiration. 弗朗西丝用毫不掩饰的羡慕的神情朝她的朋友们绽开了笑容。
"Welcome back," she beamed. “欢迎回来，”她笑容满面地说。
2. N-COUNT A beam is a line of energy, radiation, or particles sent in a particular direction. (能量、辐射、粒子) 束
...high-energy laser beams. …高能激光束。
3. V-T/V-I If radio signals or television pictures are beamed somewhere, they are sent there by means of electronic equipment. 播送
The interview was beamed live across America. 那场访谈同步播送至全美。
The Sci-Fi Channel began beaming into 10 million American homes this week. 科幻频道本周已经开始播送到1000万个美国家庭。
4. N-COUNT A beam of light is a line of light that shines from an object such as a lamp. (光) 束
A beam of light slices through the darkness. 一道光束划破了黑暗。
5. N-COUNT A beam is a long thick bar of wood, metal, or concrete, especially one used to support the roof of a building. 梁
The ceilings are supported by oak beams. 天花板由橡木横梁支撑着。
返回 beam
beam /biːm/ (beaming,beamed,beams)
剑桥词典
beam noun [C] (LINE)
a line of light that shines from a bright object光线；光束；光柱
We could just pick out the trail in the weak beam of the flashlight . 我们借着手电筒微弱的光仅能勉强认清路。
The rabbit stopped , mesmerized by the beam of the car's headlights . 兔子被汽车前灯射出的光束迷住了眼，停了下来。
也见 moonbeam
sunbeam
a line of radiation or particles flowing in one direction
（定向发出的）射束，粒子流
a laser beam 激光束
an electron beam 电子波
beam noun [C] (WOOD)
a long , thick piece of wood , metal , or concrete , especially used to support weight in a building or other structure
（尤指支撑建筑物或其他结构的）梁，桁架，栋梁
The sitting room had exposed wooden beams. 客厅顶上有裸露的木梁。
the beam
in the sport of women's gymnastics , a wooden bar on which the competitors balance and perform movements
（女子体操运动中的）平衡木 返回 beam