The journalist refused to disclose the source of her information.

这名记者拒绝透露她的消息来源。

We pasted the enemy's greatest source of supply.

我们对敌人的最补给来源予以重击。

Marx derived his philosophy of history from Hegel.

马克思的历史哲学来源于黑格尔。

There are many sources of air pollution; exhaust fumes, for example.

空气污染有许多来源, 例如废气。

An overcrowded workplace can be a major source of stress.

拥挤的工作空间可能是压力的主要来源。

These crustaceans provide a valuable food source for some fish.

这些甲壳纲动物是某些鱼类重要的食物来源。

We gather up from various sources a great amount of firsthand data.

我们从各种来源收集手资料。

We mustn't presume too much upon the reliability of such sources.

我们不应过分指望这类消息来源的可靠性。

Many illnesses are the re-sult of inadequate sanita -tion.

许多疾病都来源于不健全的卫生设施。

In this paper the sources of superprofit and resource prospecting tax are analysed.

本文分析超额利润和资源勘查税的来源。

The main source of Dioxin pollution is rubbish cineration.

垃圾焚烧是城市中二口恶英污染的主要来源。

We must not presume too mush on the reliability of such sources.

我们不应过分指望/相信这类消息来源的可靠性。

Red orpine mainly comes from the flowers and radix of orpine kind plants.

红景天来源于景天科植物多种景天的花及粗皮之根。

"For a few, scholarships were sources of support."

"有少数人,奖学金是他们接受教育的学费来源。"

When you adduce evidence of this nature, you must be sure of your sources.

在你提供实质性的证据时,你必须确知它的来源。

He lives in an opulent apartment but has no visible means of support.

他住在间豪华公寓里，但看上去没有任何经济来源。

These tumors are derived from the ovarian stroma and often have a component of thecoma.

此种瘤来源于卵巢间质，通常是由卵泡膜细胞构成的。

"Correct ideas are not innate in the mind, but come from social practice."

"正确的思想不是头脑中固有的,而是来源于社会实践。"

These goods are in short supply.

这些货物来源不充裕。

He’s written one or two novels but journalism is his bread and butter.

他写过两部小说，不过做记者才是他的生活来源。