聚集能量柱来创造空间桥梁。

Together the pillars form a space bridge.

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甚至用一种纯洁的声音传播的远远的，LRAD通过聚集的声音柱将声音传到远方的耳朵里。

Rather than using pure volume to throw sound far, the LRAD reaches distant ears by focusing the audio beam.

youdao

卧室里摆放着一张四柱床，床柱又细又长，这张床的三面给好几个聚集在那儿的人当了座位；

A gaunt four-post bedstead which stood in the room afforded sitting-space for several persons gathered round three of its sides;

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