Nuts and seeds are good sources of vitamin E.
坚果和种子是维生素E的良好来源。
There are alternative sources of nutrition to animal meat.
有能替代动物肉类的其他营养来源。
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。
The earth and the sun are two great sources of life.
地球与太阳是生命的两大源泉。
First of all, avoid all possible sources of allergy.
首先，避免所有可能的过敏源。
When our sources of fresh water get polluted, we can no longer use this water.
当我们的淡水来源被污染，我们就不能再使用这些水。
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。
We tend to think that friends and family members are our biggest sources of connection, laughter, and warmth.
我们往往认为朋友和家人是我们人际关系、快乐和温暖的最大源泉。
He's obviously been asking her about the sources of some of the images and characters and themes in Wise Blood.
他显然是在问她《慧血记》中一些形象、角色和主题的来源。
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。
The study will identify and collect data on sources of industrial, agricultural and residential pollution for two months.
这项研究将在两个月内确定并收集工业、农业和住宅污染来源的数据。
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。
The latest research will help astronomers distinguish between the two sources of methane in their search for extraterrestrial life.
这项最新发现将帮助天文学家在寻找外星生命过程中辨别两种来源不同的甲烷。
These springs are the sources of streams and rivers, which cut through the rocks and carry away debris from the mountains to the lowlands.
这些泉水是溪流和河流的源头，这些溪流和河流穿过岩石，把山上的碎石带到低地。
In many cases, the glossy brochures, article reprints and prescriptions they deliver are primary sources of drug education for healthcare givers.
在许多情况下，他们提供的精美小册子、文章重印本和处方是医疗保健人员药物教育的主要知识来源。
Sugars are also carbohydrates, sources of sugars are refined sugar—sucrose, which is a food sweetener and preservative and fruit sugars—fructose.
糖类也是碳水化合物，糖类的来源是精制糖——蔗糖，它是一种食品甜味剂、防腐剂和果糖。
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