The sonorous voice of the speaker echoed round the room.

那位演讲人洪亮在室内回荡。

When new Party member makes a pledge, face party flag, lift right hand make a fist to cross a shoulder, the sound of read out oath wants sonorous, infuriation.

新党员宣誓时,面对党旗,举右手握拳过肩,宣读誓词要宏亮、激昂。