The olive tree has always been a valuable source of food and oil.
橄榄树一直是宝贵的食物和石油来源。
Being rich in the source of food, the province is regarded as the bread basket of the country.
该省食物来源充足，被认为是该国的粮仓。
The ants therefore cultivate these fungi in their nests, bringing them leaves to feed on, and then use them as a source of food.
"因此，蚂蚁在它们的巢中培养这些菌类，用叶子喂养它们，然后把它们当作食物来源。
Eat Grub is Britain's first new food company that breaks western food boundaries by introducing edible insects as a new source of food.
Eat Grub是英国第一家新食品公司，该公司打破了西方食品的界限，引入可食用昆虫作为新的食物来源。
When a tree becomes hollow or part of it becomes dead, it provides a home for small animals and is a source of food for many other animals.
当树中空或部分死亡时，它为小动物提供了一个家，也成为了许多其他动物的食物来源。
They are also not able to browse tall trees which are the only source of food left.
它们也吃不到高树上的树叶树枝，而这些正是它们唯一尚存的粮食。
It offers a source of food that is rich in protein, essential fatty acids and vitamins and minerals.
它提供了含有丰富蛋白质、重要脂肪酸和维生素及矿物质的食物来源。
Second, large scale production of ethanol does not have to reduce the source of food for animals.
第二，大量生产乙醇燃料不会减少畜牧业的饲料供应。
This goes back to the evolutionary history of humans to be close to their source of food and love.
这可以追溯到人类的进化史接近他们的食物来源和爱。
Date palms planted around the building would contribute further shade, as well as a source of food.
种植在建筑物周围的椰枣树将有助于进一步遮荫，同时也是食物来源。
In the hopes that tigers will flourish (and not kill livestock) when they have a natural source of food.
我们希望老虎能够大量繁殖起来，并且当它们有自然食物资源时不会杀害家畜。
Here are some plant species that will help maintain pond health and provide a source of food for fish.
以下是一些植物物种，这将有助于维持池塘健康，并提供鱼类的食物来源。
They therefore suspect the main source of food for AAPB is dissolved organic matter released by phytoplankton.
因而他们怀疑AAPB的主要食物源应为浮游植物所释放的分解有机物。
They reduced the odds that a predator would take us by surprise or that we'd overlook a nearby source of food.
这样一来，我们被对手突袭的机会减小了，也不会错过触手可及的食物。
There have been attempts to breed reek for simple, easily-domesticated labor and a source of food and materials.
曾经有人尝试将力克驯化成容易驯养的畜力和食物及工业原料来源。
For indigenous Australians, wattle trees provided a source of food, medicines, and wood for utensils and weapons.
金荆花为澳大利亚的穷人提供了食物、药物以及制作家庭用具和武器的木材。
He told me he doesn't have a steady job and that the free lunch from a local senior center is his main source of food.
他告诉我他没有稳定的工作，他平常吃的东西大部分来自当地老龄中心的免费午餐。
They are a major source of food for people in all countries and there is significant international trade in these products.
在所有国家，蛋及其制品是人们的主要食物来源，其国际贸易量很大。
The chicken is a domesticated fowl, which humans keep primarily as a source of food, consuming both their meat and eggs.
鸡是一种家禽，不论是鸡肉还是鸡蛋，通常都被人们当做食材。
They find that 62% of the refugees in China had relied on the market as their primary source of food; only 3% relied on the state.
两人发现中国的难民中62%的人曾依靠市场作为食物的主要来源，只有3%靠的是国家援助。
The bugs have an easy source of food and can feed on exhausted prey which would usually be to big and dangerous for the bugs.
猎椿很容易就可以得到食物，有时候对它们有危险的大型昆虫也会成为它们的食物。
Agriculture provided a more dependable source of food, causing populations to increase; eventually excess population migrated to new lands.
农业提供了更加可依赖的粮食来源，使人口增长；最终过多的人口迁移到新的土地。
He said: "a secure water supply is vital not only for drinking water but also for agriculture, to ensure a reliable, stable source of food."
他说：“不仅关系到饮水，稳定的水供应对农业提供稳定可靠的食物来源也至关重要。”
On top of that, he published a cool paper showing that soil microbes - "ultra-bugs" - can use antibiotic drugs as their sole source of food.
最重要的是，丘奇研究发现，土壤微生物——“超级臭虫”——可以将抗菌药物作为它们唯一的食物来源。
Erratic rainfall means farmers can no longer predict the weather and have lost their crops which are a vital source of food for their family.
不稳定的降雨量意味着农民再也无法预测天气，已经失去了他们的农作物，这是对他们家庭而言至关重要的食物来源。
More than 3.5 billion people depend on the ocean for their primary source of food and in 20 years this number could double, the report's authors say.
超过35亿人口依靠海洋作为其主要食物来源，20年后这个数字可能翻番，该报告的作者说。
Typically only birds who rely on insects as their primary source of food fly south for the winter, and some birds are drawn to water and wet environments.
基本上只有以昆虫为直接食物来源的鸟类才会在冬季南迁，还有一些鸟儿只能栖息在水源和潮湿环境附近。
Salmonella is frequently in the news as a source of food poisoning outbreaks, usually from eating poorly cooked or unhygienically prepared eggs or meat.
在新闻频繁出现，沙门氏菌是食物中毒爆发的一个来源，经常由吃未经煮熟或不卫生的预制鸡蛋或肉带来。
A relative of jays and crows, nutcrackers hide pine seeds in the ground each autumn so they have a source of food during the Colorado Rocky Mountain winter.
星鸟属于松鸟和乌鸦的近亲，它在秋天的时候把松子藏在地底下，这样寒冷冬天的就有食物吃了。
A relative of jays and crows, nutcrackers hide pine seeds in the ground each autumn so they have a source of food during the Colorado Rocky Mountain winter.
星鸟属于松鸟和乌鸦的近亲，它在秋天的时候把松子藏在地底下，这样寒冷冬天的就有食物吃了。
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