n.[C]

1. 汽笛；警報器
   We heard the wailing of fire-engine sirens.

   我們聽到救火車汽笛的尖嘯聲。

2. 【希神】（大寫）塞壬（半人半鳥的女海妖，以歌聲吸引水手並使船隻遇難）
3. 迷人的女人，妖婦
   It is said that she is a siren.

   據說她是個妖艷女人。

4. 歌聲動人的女歌手
5. 【魚】鰻螈

a.

1. 誘人的，迷人的

n.

1. a device that makes a loud prolonged signal or warning sound.
2. Greek Mythology  each of a number of women or winged creatures whose singing lured unwary sailors on to rocks.
3. a woman who is considered to be alluring but also dangerous in some way.
4. an eel-like American amphibian, typically living in muddy pools. [Family Sirenidae.]

[名]

1. 汽笛；警笛。
   공습경보 사이렌이 울리다.

   空襲警笛響了。