to stop radio or television transmission. □ The voice said, “This is radio station 2LO signing off for Thursday, the nineteenth of December.” □ This television station broadcasts from dawn until it signs off at midnight.......(本文共 185 字) [閱讀本文] >>


說(shuō)明: 本文檔由創(chuàng)作者上傳發(fā)布,版權(quán)歸屬創(chuàng)作者。若內(nèi)容存在侵權(quán),請(qǐng)點(diǎn)擊