The foraminifera in the core samples were most abundant after 1950, when farmers began using some fertilizer, which is rich in nutrients.
核心样本中的有孔虫在1950年之后最多，当时农民开始使用一些营养丰富的肥料。
这个地区的野生动植物很多。
The rock is rich in mineral salts.
这种岩石富含矿物盐。
It is rich in blood vessels (血管) .
它的血管很丰富。
Although China is rich in some resources, we are short of others.
虽然中国有一些资源很丰富，但是也有一些资源非常匮乏。
Besides water, kids need plenty of calcium (钙) to grow strong bones (骨头), and milk is rich in it.
除了水，孩子们还需要大量的钙来发展强健的骨骼，而牛奶中含有丰富的钙。
South Africa is rich in diamonds.
南非盛产钻石。
Horse waste is rich in phosphorus and also nitrogen compared to normal soil.
和普通土壤相比，马粪更富含磷和氮。
Though the country is poor in natural resources, it is rich in human resources.
该国自然资源匮乏，但其人力资源充足。
As a country with a history of more than 5000 years, China is rich in civilization and culture.
作为一个有着5000年历史的国家，中国有着灿烂的文明文化。
Surrounded by famous mountains and great rivers, the city is rich in tourist resources because of its unique geographical location.
该城市名川大山环绕，因其独特的地理位置而拥有丰富的旅游资源。
Even though our earth is rich in water resource, there is still a shortage of water in many places because ocean water can't be used directly.
尽管地球的水资源丰富，但由于海水不能直接被利用，所以仍有许多地方缺水。
中国的矿产丰富。
Coorg is rich in natural resources which included timber and spices.
库格拥有丰富的自然资源，包括木材和香料。
Rosemary is rich in the anti-oxidant, carnosic acid which dilates the cerebral vascular tissues.
迷迭香富含抗氧化剂和鼠尾草酸，它们都有助于大脑血管组织扩张。
The region is rich in more than minerals.
这个地区的矿业资源比其他地区丰富。
In this regard Greek tragedy is rich in lessons.
在这一方面，希腊悲剧富于教训。
Virtually every tribe, however, is rich in wind.
然而，事实上各个部落都拥有十分丰富的风力资源。
Though the visit is brief, it is rich in content.
这次访问虽然短暂，但内容很丰富。
That means their excrement is rich in fibres and nutrients.
也就是说它们的排泄物里富含各种纤维和营养物。
History is rich in character, incident, and salutary lesson.
历史中充满着各种人物，事件和对人有益的教训。
So the liquid is rich in the less volatile of the components.
所以液体中不容易挥发的物质含量更多。
We have been fortunate that our country is rich in natural resources.
自然资源丰富是我们国家的一大幸事。
Our country is rich in natural resource, we have many mineral deposits.
我们国家拥有丰富的自然资源，有很多矿藏分布。
The Sun is rich in helium, as are the solar system’s gas giant planets.
太阳作为太阳系中的气体巨行星，氦含量丰富。
The Sun is rich in helium, as are the solar system's gas giant planets.
太阳作为太阳系中的气体巨行星，氦含量丰富。
The Sun is rich in helium, as are the solar system's gas giant planets.
太阳作为太阳系中的气体巨行星，氦含量丰富。
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