◎ 伴唱 bànchàng[accompany] 为配合表演而从旁歌唱-----------------国语辞典:从旁歌唱,配合表演。如:「等一下表演时,你们两人负责伴唱。」专作合音用的。如:「伴唱带」、「伴唱机」。英语 vocal accompaniment, to accompany a singer, to support of sb, to echo sb, to chime in with sb法语 mélopée
◎ 伴舞 bànwǔ(1) [accompanying dance]∶ 为配合舞蹈中的主角或歌唱者表演而从旁舞蹈(2) [act as dance partner]∶陪别人跳舞邀她去舞会上伴舞-----------------国语辞典:当舞伴,陪人跳舞。如:「舞厅通常有人伴舞。」歌唱或跳舞时,用来陪衬主角的舞蹈表演。如:「这次康乐晚会的歌舞剧,由本班同学负责伴舞。」英语 to be a dancing partner to sb, to perform as a backup dancer, taxi dancer (hired dancing partner), escort