He pointed the torch beam at the floor.
他把手电筒光束指向地板。
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。
The machine directs a powerful beam at the infected part of the body.
这种机器将很强的射线对准身体感染部位。
At last they got to the point of installing the roof beam.
最后，工程进行到安装屋顶大梁这一紧要步骤了。
The beam does not spread out appreciably, even at large distance from the source.
它的光束，即使离光源极远，也不显著扩散。
I've come to realize what I said at the meeting was off beam.
我已经了解到我在会议中所讲的话是错误的。
He directed the tiny beam of light at the roof.
他把那一小束光对准了屋顶。
He directed the tiny beam of light at the roof.
他把那一小束光对准了屋顶。
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