词汇	belted topper
释义	belted topper 束腰短大衣
随便看	sound transmetter sound-transmision coefficient sound transmission sound transmission channel sound transmission class sound transmission class, STC sound transmission coefficient sound transmisson loss sound-transmit resistance sound transmittance sound transmitter sound transmitter abnormity sound transparency sound transparent Sound transparent layer sound transparent rubber soundtrap sound trap sound-trap sound trap circuit sound trapping sound travel Sound travels at 1 Sound travels at 1,100 feet per second in air Sound travels at 1, 100 feet per second in air