1. The fire trucks sirened by. ���������ž��ѿ��˹�ȥ��
2. They quitted work when the siren sounded. ����һ�죬���Ǿ�ֹͣ�����ˡ�
3. Here and there, the whine of a distant siren pierced the tranquillity. ��ʱ��Զ��һ�������ľ������������ⵥ����ƽ����
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n.
1. a sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where th
2. a woman who is considered to be dangerously seductive
3. a warning signal that is a loud wailing sound
4. an acoustic device producing a loud often wailing sound as a signal or warning
5. eellike aquatic North American salamander with small forelimbs and no hind limbs; have permanent ext