| 释义 |
boom3/bu:m/n. 1 Naut. a pivoted spar to which the foot of a sail is attached, allowing the angle of the sail to be changed 【海】帆的下桁，帆杆(牵拉帆下部的圆材，可使帆的角度发生变化) 2 a long pole over a television or film set, carrying a microphone or other equipment 话筒吊杆；(摄影机升降架的)支臂 3 a floating barrier across the mouth of a harbour or river (设于港口或河口的)流木挡栅，水栅 [Dutch, = BEAM n. ‘tree, pole’] |