首: Ⅰ名词1.(头) head 短语和例子昂首 hold one's head high; 搔首 scratch one's head2.(首领) leader; head; chief 短语和例子匪首 bandit chieftain; 祸首 chief culprit; 为首 with sb. as the leader3.(表示方位) aspect 短语和例子下首 rig
广播: broadcast; be on the air; airing 短语和例子开始广播 go on the air; 实况广播 live broadcast; live transmissions over the radio or television; 停止广播 go off the air; 外语广播 foreign language broadcast; 有线[无线]