单词	ultra acoustic
释义	ultra acoustic 声学
随便看	theddies theddre theddy thede the dead The dead don't bite. the dead hand of the past the dead man the dead of night the dead of winter the dead sea the dead spit of the deaf the deal the dear departed the dear knows the death the death agony the death of The death of a young wolf doth never come too soon. the death of cleopatra The death of wolves is the safety of the sheep. The Death on the High Seas Act the death penalty the decadence of morals 成则为王，败则为虏成则为王，败则为贼成千上万成千成万成千累万成千论万成双作对成双成对成名成家成团打块今般今週今際今際今頃今風介介す介する介ぞえ