Eons passed before life existed on the earth.

经过数不清的年代以后, 地球上才有人类。

She has thrown herself away upon that boor from sheer ignorance that better individuals existed!

只因为她全然不知道天下还有更好的人，她就嫁给了那个乡下佬！

In silicate minerals and magnetites existed isomorph tin.

硅酸盐矿物和磁铁矿中都存在类质同象态锡。

Literature does not exist in some timeless absolute.

文学不能存在于一个不受时间限制的绝对条件之下。

He is one of the worst actors who ever existed.

他是有史以来最差的演员之一。

The desistance of crime cannot exist in indirect intentional crime.

间接故意犯罪不存在犯罪中止,肯定论者的观点是难以成立的。

Defensin is a widely existed antimicrobial peptide in plants, insects and mammals.

防御素是一种广泛存在于动植物界的抗菌多肽。

40. Such a dikaryon cannot apparently exist independently of the haploid phase .

这样的双核体显然不能独立于单倍体阶段而存在。

In other tissues, indiscriminative variation existed with no special preference for control or lesioned.

对照与手术组动物各组织之脂类无显明之变异。

He argued that ideas do not exist independently of the language that expresses them.

他论证说，思想不会独立存在于用以表达的语言之外。

It’s in the underdeveloped eastern region of the country that the biggest problems exist.

最大的问题存在于这个国家贫穷落后的东部地区。

Complete religious toleration exists in this country.

在这个国家有完全的宗教信仰自由。

A hive can't exist without a queen.

蜂房不可无蜂王。

Existing laws on obscenity are to be tightened.

禁止色情的现行法律应更加严厉。

The weak antiferromagnetic interaction exists between Co(II) ions intrachain.

发现在链间的Co(II)离子之间存在着较弱的反铁磁相互作用。

However，the efficacy of pipecuronium exists significant individual difference.

哌库溴铵的肌松效应存在较大的个体差异。

Or they can buy unsell (and sell) existing bonds.

他们也可以买卖现有的债券。

This computer program can be integrated with existing programs.

这套计算机程序可以与现有的程序整合在一起。

This species of bird now exists only in Africa.

这种鸟现在只存在于非洲。

A large number of grume granules exist in plasmodium.

原质团中存在大量的黏液颗粒。