来自古法语 rescurre,营救，解救，来自拉丁语 re-,表强调，excutere,摇出，来自 ex-,向外，-cut, 摇，晃动，词源同 discuss,percussion.

1. Lights clipped onto life jackets improve the chances of rescue.

别在救生衣上的灯提高了获救可能性。

2. The air rescue operation has now been scaled down.

空中救援行动的规模现在已经有所缩小。

3. Paramilitary police units are taking part in rescue efforts.

准军事警察部队正在参与营救行动。

4. Rescue workers are digging through the rubble in search of other victims.

救援人员正在废墟中挖掘，以搜寻其他受害者。

5. Rescue crews had scoured an area of 30 square miles.

救援人员已经搜遍了30平方英里的范围。