短語詞組短語A certain amount of reason 一定的理智a certain amount of planning 一定量的槼劃A certain amount of skill 一定的聽說讀寫能力a certain amount of heat 一定數(shù)量的熱量A certain amount of study 進(jìn)行了一定的研究A certain amount of sponsorship 一定數(shù)額的贊助 返回 a certain amount of