boom out1.■发出隆隆声,发出呜呜声;隆隆地发出:The foghorn boomed out its warning.雾号发出呜呜的警报声。2.■(钟、时钟等)鸣报:The clock boomed out eleven.时钟低沉地敲响了11点。3.■用响亮而深沉的声调说(或唱)出;用响亮而深沉的声调发出;(唱歌、说话)声音洪亮:His voice boomed out from his office.他的声音响亮地从他的办公室里发出来。She boomed out her answer.她用响亮而深沉的声音答话。4.■【航海学】用张帆杆张帆:The sails were boomed out.帆被张帆杆张开了。
见:boom: boom out