boomn.繁荣;兴旺;激增;低沉声n.帆杠;吊杆;支臂;尾桁;水栅vi.急速增长;发出低沉声vt.使兴旺;促进
boom pipe喷杆管
boom townn.新兴城市
boom drum吊架卷筒
boom chain绠缆
boom brace吊臂斜杆
booming in搭浮桥
boom davit吊柱
boom crane臂式起重机,伸臂起重机,桁梁起重机,吊杆起重机
boom stick绠漂木
boom light吊杆灯