常見例句雙語例句Humic acid was extracted from Swampy soil in Zhongdian on Yunnan.從中甸沼澤土中提取了腐殖酸樣品，并對樣品的性質(zhì)進行了測定。Humic acid was extracted from swampy soil in Zhongdian at Yunnan and characterized.從云南中甸沼澤土中提取了腐殖酸樣品 ，并對樣品的性質(zhì)進行了測定。 返回 swampy soil