a certain amount of
短语词组
- A certain amount of reason 一定的理智
- a certain amount of planning 一定量的规划
- A certain amount of skill 一定的听说读写能力
- a certain amount of heat 一定数量的热量
- A certain amount of study 进行了一定的研究
- A certain amount of sponsorship 一定数额的赞助 返回 a certain amount of