natural river的用法和样例：
例句
- The suspended sediment of natural streams is usually made up of grains with a broad spectrum of sizes and fall velocities.
天然河流的悬沙，通常系由各种大小尺寸和沉速的粒子组成。
natural river的相关资料：
临近单词
natural air
natural
natural weathering and degrading
natural primordial radionuclides
Natural Battle Space Environment
Natural succession of vegetation
natural load-transmitting arch
Natural forest of Picea asperata
natural environment deterioration
natural person controlled company
natural resource-based industry
natural language retrieval system
