常見例句The results are showed as follwings: 1) In American ginseng, autotoxin activity is high chemically in the stems, leaves, fibrous roots and hydrophobic root exudates. 結(jié)果表明：西洋蓡莖葉、須根和根系分泌物中存在活性較高的自毒物質(zhì)。 返回 autotoxin