常见例句雙語例句Within the basin, riparian soils heavy metals pollution was from moderate to severe, and the ecological risk was from minor to moderate.這主要是因爲草地、漫灘能夠有傚吸附和沉積重金屬，同時人類活動明顯增加重金屬生態危害。www.cje.net.cn 返回 riparian pollution