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
歌: Ⅰ名词(歌曲) song 短语和例子民歌 folk song; 颂歌 song of praise; odeⅡ动词(唱) sing 短语和例子放声高歌 sing loudly; 能歌善舞 good at both singing and dancing; 唱送旧岁, 歌迎新年 sing out the old year and sing in the new