The deflection of the signals in this backscatter gives a picture of how particular snow conditions might be changing the way the satellite's radar is returned.

散射中信号的偏差说明了特定的雪况可能会如何改变卫星雷达返回的方式。

He had not learnt it from the teacher or from a book, but he gave a picture of the place as if he had actually been there.

他不是从老师或书本上学到的，但他给出了这个地方的照片，就好像他真的去过那里一样。

The account of the survivers give a picture of terrify ordeal in trying to escape from the sweltering heat of the ship's floors, choking fumes and biting cold and rain.

幸存者描述了可怕的场景，他们拼命从灼热的甲板上逃脱，还要面临令人窒息的烟雾、酷寒和大雨的危险。

These birds feed exclusively on krill, the tiny shrimp-like creatures that form the backbone of the entire ocean food chain, and their condition gives a picture of the overall health of the region.

这些企鹅只以磷虾为食，而磷虾这种迷你虾一样的生物堪称挑起了整个海洋食物链的顶梁柱，它们的状况便能反映出该地区生态的整体健康状况。