4周搞定2000+托福核心词
第三纪
tertiary
常考释义
A search of sedimentary deposits that span the boundary between the Cretaceous and Tertiary periods shows that there is a dramatic increase in the abundance of iridium briefly and precisely at this boundary.
白垩纪时期与第三纪时期交替之间的沉积物的研究显示：在这两个时期的交替时期，铱元素的含量急剧增加。
来源于：阅读OFFICIAL15 P2n. 第三纪
Large stack deposits are controlled by deeply dipping faults Tertiary age.
巨大的堆型矿体受第三纪倾陡断层控制.
A search of sedimentary deposits that span the boundary between the Cretaceous and Tertiary periods shows that there is a dramatic increase in the abundance of iridium briefly and precisely at this boundary.
白垩纪时期与第三纪时期交替之间的沉积物的研究显示：在这两个时期的交替时期，铱元素的含量急剧增加。
来源于：阅读OFFICIAL15 P2Paleontologists label this point in Earth’s history as the end of the Cretaceous period and the beginning of the Tertiary period, often abbreviated as the K-T boundary.
古生物学家把地球历史上这个时间点作为白垩纪的末期和第三纪的初期，简称为K-T边界。
来源于：阅读OFFICIAL33 P3adj. 第三的；第三位的；第三级的
He must have come to know those philosophers through secondary or tertiary sources.
他一定是通过第二手或第三手资料了解到那些哲学家的。
Primary and secondary bitmaps are common, but messages requiring a tertiary bitmap are very rare.
主位图和副位图较为常见，但是很少有包含第三个位图的消息。
adj. 高等教育的；大学阶段的<英>
Members will work with Government agencies to ensure all students complete their tertiary studies.
成员们将与政府机构合作，以确保所有学生都能完成高等教育阶段的学习。
Applicants are expected to have tertiary qualifications.
申请人应具有高等教育学历证明。
adj. 第三产业的
['tɝʃɪ'ɛri]
基本释义 n. 第三纪
常考释义 adj. 第三的
He must have come to know those philosophers through secondary or tertiary sources.
他一定是通过第二手或第三手资料了解到那些哲学家的。
Primary and secondary bitmaps are common, but messages requiring a tertiary bitmap are very rare.
主位图和副位图较为常见，但是很少有包含第三个位图的消息。
tertian
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