the Tertiary period
基本解释
- 第三纪
英汉例句
- This 65.5-million-year old layer of Earth separates fossils of the Cretaceous period from those of the Tertiary period.
他们发现当时被称为K-T边界的沉积层中含有浓度极高的铱元素，这个具有6,550万年历史的古老地层将白垩纪的化石与第三纪的化石分离开来。
huzhangao.blog.163.com - There are three main types synthetic soil conditioner available, derived from petroleum chemicals, the Tertiary period minerals and organic materials.
人工合成土壤结构改良剂可分为石油化工产品、第三纪矿物产品以及无机物与有机物相结合产品共三类。 - The oil originated more than four kilometers (two and a half miles) below the ocean floor, in rock layers that formed millions of years ago, during the Tertiary period.
这些原油发源于位于海底下方四千米深处形成于几百万年前第三极时期的的岩层，那里岩浆滚滚。 - Enrolment in pre-primary, secondary and tertiary education has also grown by more than 60% during the same period.
UNESCO: EDUCATION