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- The origin of lichens dated back to the Precambrian. 资料表明：地衣的起源可追溯到前寒武纪；
- Among them the Precambrian and Cenozoic eras are the main metallogenic epoches in the world. 就全球而言，前寒武纪和新生代是金矿的重要成矿期。
- Of or relating to the oldest known rocks, those of the Precambrian era, that are predominantly igneous in composition. 太古代的所知的最古的前寒武纪时代岩石，其组成成分主要为火成岩的，或与之相关的
- Of,belonging to,or designating the earlier of two divisions of the Precambrian era. 早期前寒武纪（的）前寒武纪的两期中较早的一期的，属于它的或以其命名的
- The first three eons, which together lasted nearly 4 billion years, are grouped into a unit called the Precambrian. 第一三永世,一起持续几乎4十亿年,被编组入单位称全寒武纪。
- In eastern Liaoning and Jilin, a large amount of gold deposits are located in the Precambrian metamorphic basement. 辽吉东部前寒武纪结晶基底中赋存有众多的金矿床,是中国北方重要金矿集中区之一。
- The Precambrian crystalline rock series in the Yadong area is previously called "the Nyalam Group". 摘要藏南亚东地区前寒武纪结晶岩系以往统称为“聂拉木群”。
- S.Haldane, a pioneering British geneticist, replied: “Fossil rabbits in the Precambrian era. 霍尔丹，英国遗传学的先驱，他回答道：在前寒武纪的兔子化石就是了。
- Of, belonging to, or designating the earlier of two divisions of the Precambrian era. 早期前寒武纪（的）前寒武纪的两期中较早的一期的，属于它的或以其命名的
- That history began with the origin of the primitive, unicellular aquatic algae of the Precambrian Eon . 最初，前寒武纪出现原始的单细胞水生藻类，除了蓝绿藻和细菌之外。
- Their results, published in 1996, postulated that bilaterians diverged from more primitive animals deep into the Precambrian era, as much as 1.2 billion years ago. 他们的结果发表于1996年，其中推测，早在12亿年前的前寒武纪，两侧对称动物便已经从较原始的物种分支出来。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- The second great era after the Precambrian is called Mesozoic Era which extends from 230 million to 65 million years ago. It is the age of dinosaurs. 前寒武之后第二个大的代是中生代，它从距今2.;3亿年一直延续到距今6500万年，这个时期是恐龙的时代。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- The ore fluid is the mixture of granitic water (MCW) and phanerozoic meteoric water or the precambrian mixed water by metamorphism-migmatization. 成矿流体为金铜系列花岗岩岩浆水与显生宙大气降水的混合流体;或为与变质-混合岩化作用有关的早前寒武纪混合水.
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。
