1·We kept our eyes peeled for any signs of life.
我们注意寻找任何生命的迹象。
—— 《牛津词典》
2·The body was cold and showed no signs of life.
那躯体冰凉，显现不出有生命的迹象。
—— 《牛津词典》
3·Are there any signs of life?
有生命的迹象吗？
4·Scientists are studying photographs of the planet for signs of life.
科学家仔细察看行星照片，寻找生命迹象。
—— 《牛津词典》
5·Its main job is to search for any signs of life in places where human rescuers are unable to go.
它的主要工作是在救援人员无法到达的地方寻找生命迹象。
6·But there are signs of life.
但是，这里却有生命的迹象。
8·Whether or not unmanned probes find signs of life on Mars.
不伦不载人的探测器能否在火星上发现生命迹象。
9·The lake seems to be acid because no signs of life are noticed.
这片湖水看似是酸水，因为没有任何生命的迹象。
10·Scientists are studying the photographs of Mars for signs of life.
科学家们正在研究火星的照片，寻求生命的迹象。