selva的音标

There is certain direct or indirect relationship between the forest resources shortage and the greenhouse effect, air pollution, biodiversity, desertification, soil erosion, selva crisis, etc. China is one of those countries who suffer the largest influenced areas and the most severe desertification.

森林资源的匮乏与温室效应、大气污染、生物多样化、土地沙化、水土流失、热带雨林危机等都有着直接或间接的关系。而中国是世界沙漠化程度危害最深、范围最大的国家之一。

Many of the most vulnerable segments of the Peruvian population, including indigenous peoples, live in remote places in the Andes or Selva regions.

秘鲁总人口中，包括土著人群在内的很多最弱势人群，均居住在安第斯或席尔瓦地区的偏远地方。

Reasonable prospecting method is a key to localizing and evaluating gold placer in selva.

合理的找矿方法是热带雨林地区砂金矿床定位评价的关键。