◙ noun 1. a device that makes a loud prolonged signal or warning sound • 汽笛；警报器 »ambulance sirens. 救护车警报器。 2. [Greek Mythology] each of a number of women or winged creatures whose singing lured unwary sailors on to rocks • [希腊神话] 塞壬（女海妖或长翼怪物，其歌声诱使丧失警惕的航海员触礁） a woman who is considered to be alluring or fascinating but also dangerous in some way • 妖妇，妖艳而危险的女人 3. an eel-like American amphibian with tiny forelimbs, no hindlimbs, small eyes, and external gills, typically living in muddy pools • 鳗螈 4. Family Sirenidae: genera Siren and Pseudobranchus, and three species, including the greater siren [S. lacertina] • 鳗螈科：鳗螈属和拟鳗螈属，3种，包括大鳗螈（拉丁名S. lacertina）
【IDIOMS】
◘ siren song (或 call) 1. used in reference to the appeal of something that is alluring but also potentially harmful or dangerous • 诱人的歌声（用来具潜在危害或危险之物的诱人之处） »a mountaineer who hears the siren song of K2. 听到乔戈里峰怪叫声的登山运动员。
【语源】
1. Middle English (denoting an imaginary type of snake): from Old French sirene, from late Latin Sirena, feminine of Latin Siren, from Greek Seirēn