natural river的用法和樣例：
例句
- The suspended sediment of natural streams is usually made up of grains with a broad spectrum of sizes and fall velocities.
天然河流的懸沙，通常系由各種大小尺寸和沉速的粒子組成。
natural river的相關資料：
臨近單詞
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
