a long piece of wood, metal, etc. used to support weight, especially as part of the roof in a building 梁
The cottage had exposed oak beams.
小屋的橡木梁裸露着。
[T] + adv./prep.to send radio or television signals over long distances using electronic equipment 发射（电波）；播送
Live pictures of the ceremony were beamed around the world.
典礼的实况经电视直播传到世界各地。