“中生代”造句

哺乳类起源于中生代宛若原始的爬虫类.
Mammals arose from a fairly primitive reptile in the Mesozoic era.

丹巴地区自中生代以来经历了多期的变形 、 变质和岩浆作用.
Danba area has undergone multiperiod deformation, metamorphism and magmatism since Mesozoic time.

热储由中生代燕山期花岗斑岩、凝灰岩组成.
Its heat reservoir is composed of Yanshanian granite - porphyry and tuff of Mesozoic.

• #中生代