| 单词 | point of reference |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔distal〕Anatomically located far from a point of reference, such as an origin or a point of attachment.末梢的，末端的：解剖上远离参照点的，如起点或可缚的一点美国传统〔elevation〕The height to which something is elevated above a point of reference such as the ground.高地，丘，隆起：某一事物升高的高度，与地面相对而言美国传统〔epoch〕Astronomy An instant in time that is arbitrarily selected as a point of reference.【天文学】 历元：被随机选作参考点的时间中的某一瞬间美国传统〔line〕A real or imaginary mark positioned in relation to fixed points of reference.线：与固定的点相 关的实线或虚线美国传统〔lodestar〕A star, especially Polaris, that is used as a point of reference.用作指引的星，尤指北极星美国传统〔perfect〕Grammar Of, relating to, or constituting a verb form expressing action completed prior to a fixed point of reference in time.【语法】 完成的：属于、关于或构成表示在某一特定时间点已完成动作的动词时态的美国传统〔point of reference〕The professor used the study as a point of reference for evaluating and discussing other theories.教授把这项研究当作评估和讨论其他理论的参照依据。韦氏高阶〔pole〕A fixed point of reference.集中点：作为参照的固定点美国传统〔reference〕Unemployment serves as a useful point of reference in examining social problems.失业情况是研究社会问题的有效参照。牛津搭配 |
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