英语词汇topsoil怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	topsoil
释义	topsoil 英/ ?t?ps??l / 美/ ?tɑ?ps??l / 简明释义 n.表层土；上层土 IELTS/TOEFL/ 网络释义 1 ?表土层 topsoils(表土层), 此释义来源于网络辞典。短语 1 humus content of topsoils 表土的腐殖质含量 2 floodplain topsoils 河滩表层土 3 humus s content of topsoils 表土的腐殖质含量双语例句 1 The organic matter content as well as the total and available contents of nutrients increased at the first 2~5 years, and then declined rapidly, especially for those in topsoils. 土壤有机质含量、全量养分含量和速效养分含量均在采伐初期2～ 5年增加，随后又迅速减少，尤其是表层土壤变化更为明显；
随便看	shell edge shelled melon seed shell out shelled pea shelled pumpkin seed shelled rice shelled seed of oriental arborvitae shelled shrimp shelled tread shelledy shellee shell effect shell effects in fission shell egg Shell,Egg shellelectron shell electron shell element Shellen shellenberger shell end mill shell end mill shell end mill arbor shell end milling cutter shellene

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