单词	肥力梯度
释义	同生育变化度--肥力梯度
随便看	to write a copy, as a learner to write after a copy to write a good hand to write a history to write a legible hand to write a letter to write a libel to write an account of to write and publish to write an epistle to write an epitaph to write an epitaph containing an eulogy to write an essay to write annals to write a petition to write a poem to write a preface to write a spell to write atter a copy to write back to write by night to write characters to write clearly to write close to write down