Working as a writer can be a very lonely existence.

当作家会是一种很寂莫生涯。

What are the chances of these molecules springing spontaneously into existence?

这些分子自然可能性有多大？

Males and females only commingle during mating season, otherwise they live solitary existences.

公兽和母兽只有在交配季节才混到一，否则他们分开独自居住。

The finds from these burial grounds point to the existence of a prosperous matriarchal society.

这些墓地中发现东西说明有过一个昌盛母系社会。

New companies come into existence every year.

每年都有新公司开业。

We cannot presume the existence of life on other planets.

我们不能推定其他行星上没有生物。

They eke out a precarious existence foraging in rubbish dumps.

他们靠在垃圾场捡垃圾维持着朝不保夕生活。

She led a humdrum existence—all work and no play.

她过着相当单调生活——只有工作，没有玩乐。

His girlfriend is the be-all and end-all of his existence.

女朋友是他生命中一切一切。

Their lives consist of the humdrum activities of everyday existence.

他们生活由日常生存平凡活动所构。

The evidence pointed to the existence of an international smuggling network.

证据表明很可能有一个国际走私网络存在。

What a wretched existence these people lead in the slums!

住在贫民窟里这些人生活多可怜呀!

Since her illness, other people had become shadowy and had no real existence for her.

自从她生病后，其他人在她眼中变得很模糊，似乎不存在了。

Moreover, the existence of a small amount of cannabinol is adequate to kill the fungi microorganism.

而且极其微量大麻酚类物质存在就足以灭杀霉菌类微生物。

Prompt the general public of the existence of minorities. Foment the expressing channels of marginated groups.

提醒市民小众存在，拓展边缘人仕发声渠道。

Trees owe their existence to soil.

树木靠土壤生存。

One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.

地球外存在生命理论是基于陨星上存在碳化合物质这一事实。

The present paper using upper and lower solutions,proves an existence theorem of almostperiodic solutions for integrodifferential systems.

采用上下解方法，给出了一个积分微分系统概周期解存在一般性定理。

In Samkhya philosophy, the concept of Muladhara is that of moola prakriti, the metaphysical basis of material existence.

在Samkhya哲学里，Muladhara观念是moolaprakriti，基于存在纯粹哲学。

Nash did not live a cloistered existence nor was he spared the shocks that flesh is heir to.

纳什并非过着与世隔绝生活，他同样也不能逃脱人生难免种种打击。