基本解释[农业科学]粪铜英汉例句双语例句A pot experiment was conducted to study the effects of different levels of copper in pig feces on photosynthetic characteristics of maize.采用盆栽试验研究了不同铜浓度的猪粪对玉米光合特性的影响。词组短语短语feces copper content 粪铜含量专业释义农业科学粪铜