Just then the band began to play, and the soldiers in front of the Boy Scouts began to move.

就在这时，乐队开始奏乐，童子军前面的士兵开始移动。

When the band began to play after dinner, my parents took the floor. They glided around the room, inviting the others to join them.

晚餐过后，乐队开始演奏，父母步入了舞池。他们在房间里翩翩起舞，并邀请其他人加入。客人们都站起来，一齐为这对金婚夫妇喝彩。

The guests rose to their feet, applauding the golden couple. My father danced with his granddaughters and then the band began to play the " Beer Barrel Polka."

父亲开始和他的外孙女跳舞，乐队演奏起了“Beer Barrel Polka”。