coeval
词根词缀：
coeval adj. 同年龄的；同时代的
co 共同 + ev 年龄；时代；寿命 + al …的，具有…性质的 → 同年龄的；同时代的
coevality n. 同时代；同龄
coeval 同年龄的；同时代的 + ity 具备某种性质，状况 → 同时代；同龄
longevity n. 长寿，长命
long 长 + ev 年龄；时代；寿命 + ity 具备某种性质，状况 → 年龄长 → 长寿
medieval adj. 中世纪的
medi 中间 + ev 年龄；时代；寿命 + al …的 → 中世纪的
primeval adj. 原始的，远古的
prim 最初 + ev 年龄；时代；寿命 + al …的，具有…性质的 → 时间最早的 → 原始的
数据来源：新东方英语词汇速记大全
相关例句：
The continental Cretaceous is widespread in mainland China, which provides material basis for study of the coeval climate.
中国大陆广泛分布有陆相白垩系地层，这为进行相关时期的气候研究提供了物质基础。
Retrogressive metamorphic reaction was broadly coeval with strong deformation in the shear zone and resulted in the transformations: Pyroxene-hornblende, hornblende-biotite, hornblende-chlorite, biotite-chlorite, and feldspar-sericite etc.
璜山剪切带退变质反应是以其广泛的同时代强烈变形为特征.转换结果：辉石→角闪石，角闪石→黑云母，角闪石→绿泥石，黑云母→绿泥石，长石→绢云母等。
A new method was suggested to calculate the trapping temperature and pressure of inclusion using the isochore equations of both petroleum inclusion and its coeval aqueous inclusions.
建立起一种利用石油包裹体与同期盐水包裹体等容线方程计算包裹体捕获温度和捕获压力的新方法。
The fairly high similarity between this curve and other coeval curves sets up by some foreign scholars in other regions abroad, exhibits important stratigraphical significance.
川黔地区晚古生代锶同位素曲线与国外学者公布的同时代锶同位素曲线特征极为相似，显示了在地层学上的重要意义。
Some large scale structual lenticles, in which primary sedimentary structures have been well presserved, formed by deformation partitioning coeval with the bedding ductile shear belts and rheid fold layers.
因变形分解作用，在形成韧变带及流褶层的同时，也形成一些巨型透镜体，它们为弱变形域或未变形域，其内原生构造保存完整。
With consideration of the P-T path of the regional metamorphism coeval with the emplacement of these granites, the concurrence of I-, S-and A-type granites indicates that these granites formed in the post-orogenic setting.
结合区内与花岗岩形成同时发生的变质作用P-T特征，这种I-、S-和A-型花岗岩的同时产出，反映他们可能形成于造山后构造背景。