He refused to name his sources.
他拒绝说出消息的来源。
Nuts and seeds are good sources of vitamin E.
坚果和种子是维生素E的良好来源。
The document was a composite of information from various sources.
这份文件是不同来源信息的综合。
He has carried out extensive research into renewable energy sources.
他已经对再生能源进行了广泛研究。
They believed ancient Greece and Rome were vital sources of learning.
他们认为古希腊和古罗马是至关重要的知识来源。
Government sources are now openly speculating about a possible successor for Dr. Lawrence.
各官方消息源现在正公开地推测继劳伦斯博士之任的可能人选。
It would provide hundreds of millions of dollars for research into alternative energy sources.
它可以提供数亿美元用于可替代能源的研究。
The Tokugawa shoguns began to look to other sources for revenue.
德川幕府开始寻找其他收入来源。
But other sources claimed it has been dated closer to 30,000 BC.
但其他消息来源称，它的年代更接近公元前3万年。
Deer and elk populations—major food sources for the wolf—grew rapidly.
鹿和麋鹿的数量迅速增长，它们是狼的主要食物来源。
The lure of this view — egoism — has two sources, one psychological, the other logical.
这一观点——利己主义——的诱惑有两个来源，一个是心理上的，另一个是逻辑上的。
If these sources don't give you an accurate depiction, your stereotype won't be accurate.
如果这些来源没有给你准确的描述，那么你形成的刻板印象也不会准确。
The increase in brightness of the x-ray sources over the same period has occurred far faster.
在同一时期内，X 射线光源亮度的增加速度要快得多。
MESBIC's are now emerging as increasingly important financing sources for minority enterprises.
MESBIC现在正成为少数民族企业越来越重要的融资来源。
Historically, textile dyes were made from such natural sources as plants and animal excretions.
在历史上，纺织染料是由植物和动物排泄物等天然资源制成的。
Strangers and travelers were welcome sources of diversion, and brought news of the outside world.
陌生人和旅行者是受欢迎的消遣来源，他们带来了外面世界的新闻。
The new buyer identified a dozen new sources for the material, most of which proved to be reliable.
新买家为这种材料确定了十几个新货源，其中大多数证明是可靠的。
These rivers and river systems are known as "exogenous" because their sources lie outside the arid zone.
这些河流和河川系统被称作“外源河流”，因为它们的源头位于干旱地区之外。
Some growth stems from a commitment by governments and farsighted business to fund cleaner energy sources.
一些增长源于政府和有远见的企业对资助清洁能源的承诺。
As lighting expert Howard Brandston points out, "Generally, there are no bad sources, only bad applications."
正如照明专家霍华德·布兰德斯顿指出的那样：“一般而言，没有不好的光源，只有不好的应用。”
In Greece, rhododendrons and oleander bloom only in springtime, when they are the predominant sources of nectar.
在希腊，杜鹃花和夹竹桃只在春天开花，那时它们是花蜜的主要来源。
Although newspapers remain popular among old people, I believe they will be replaced gradually by electronic sources.
虽然报纸在老年人中仍然很受欢迎，但我相信它们将逐渐被电子资源所取代。
Because they are porous, sedimentary rocks, such as sandstones and conglomerates, are important potential sources of groundwater.
由于像如砂岩和砾岩这样的沉积岩是多孔的，它们是地下水的重要潜在来源。
Renewable sources of energy must be used.
可再生的能源必须利用。
We've been collecting data from various sources.
我们一直从各种渠道收集资料。
We've been collecting data from various sources.
我们一直从各种渠道收集资料。
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