音标

英语音标：[biːm]
美语音标：[bim]

翻译

vi.微笑；发光

vt.播送；发射；用梁支撑

n.桁条；光线；(光线的)束；(横)梁

例句

The machine directs a powerful beam at the affected part of the body. 

这种机器将很强的射线对准身体感染部位。

Researchers realised that a tunable laser beam might be useful in surgery. 

研究人员意识到，可调谐激光束也许可以用在外科手术中。

All the light bars were turned on which filled the room with these rotating beams of light 

所有灯条都打开了，满屋都是旋转的光柱。