摇摆乐是青少年的反叛音乐.Rock is the music of teenage rebellion.但是, 爵士乐的两大基本要素是摇摆乐和即兴创作.However, the two key elements of jazz are swing and improvisation.二战后,人们才开始和着摇摆乐的节奏跳舞.People danced to swing music until after World War Two....
Its nozzle was smeared with some kind of lubricant.它的喷嘴抹了某种润滑油。She turned the nozzle and the spray concentrated down to a stream.她掉转喷嘴,让水花集中喷入小河.The rubber nozzle is all cracked.那只橡胶喷管全裂了....