Siret

例句：

1. 1.The ship's siren sounded to alert the crew of an imminent danger.
   船的警报器响起，警告船员即将发生的危险。
2. 2. The siren wailed in the distance, signaling the end of the storm.
   远处传来了警报声，预示着暴风雨的结束。
3. 3. Sirens are used to warn drivers of approaching traffic.
   警笛用于警告驾驶员前方有来车。