ruminants

简明释义

英[ˈruːmɪnənts]美[ˈrumɪnənts]

n. [脊椎]反刍动物（ruminant 的复数）

英英释义

单词用法

同义词

反义词

例句

1.By actively planning and managing the grazing and recovery of the plants as opposed to allowing continuous grazing, ruminants become part of the solution rather than a burden to the land.

与传统的持续性放牧不同，采取积极的规划和管理放牧，恢复草地植被，将使反刍动物不再是草原的负担，而是草原的救星和保护神。

2.Shigatoxin-producing E. coli (STEC) or enterohaemorrhagic E. coli (EHEC) is a severe strain of E. coli bacterium that is commonly found in the gut of animals, mainly ruminants.

产志贺毒素大肠杆菌(STEC)或肠出血性大肠杆菌(EHEC)是一种毒性严重的大肠杆菌菌株，常见于动物、主要是反刍动物的肠道内。

3.Experts agree that hippos belong to the mammalian order artiodactyla, a group of even - toed, hoofed creatures whose extant representatives include camels, pigs and ruminants such as cows.

哺乳纲中的偶蹄目动物，是因四肢的蹄为偶数而得名，现存于世界上的包括了牛这类反刍动物，以及骆驼和猪等。

4.The Major natural sources of atmospheric methane include enteric fermentation in ruminants and some insects, and the anaerobic decomposition of organic matter in waterlogged soils.

甲烷的主要自然源包括反刍动物和一些昆虫的肠发酵及淹水土壤的有机物的厌氧分解。

5.CH_4 emissions from ruminants result in not only a loss of metabolic energy, it is also a greenhouse gas and as such significantly contributes to atmospheric warming.

反刍家畜瘤胃甲烷气体的排放是一种能量损失，同时对大气环境具有较强的增温效应。

6.Experts agree that hippos belong to the mammalian order artiodactyla, a group of even - toed, hoofed creatures whose extant representatives include camels, pigs and ruminants such as cows.

他们的结果证明，在现生哺乳类中，鲸豚与偶蹄类最亲近；骆驼、河马、猪及牛羊等反刍动物都属于偶蹄类。

7.Cows and sheep are examples of ruminants, which are animals that digest their food in a unique way.

牛和羊是反刍动物的例子，这些动物以独特的方式消化食物。

8.The digestive system of ruminants allows them to break down tough plant materials.

反刍动物的消化系统使它们能够分解坚韧的植物材料。

9.Farmers often raise ruminants for their milk and meat production.

农民常常养殖反刍动物以生产牛奶和肉类。

10.The presence of ruminants can significantly impact the ecosystem by influencing plant growth.

反刍动物的存在可以通过影响植物生长显著影响生态系统。

11.Many ruminants have a four-chambered stomach that aids in their digestion process.

许多反刍动物有一个四腔胃，有助于它们的消化过程。

作文

Ruminants, or 反刍动物, are a fascinating group of mammals that have a unique digestive system allowing them to break down tough plant materials. These animals include species such as cows, sheep, goats, and deer. The term 'ruminant' comes from the Latin word 'ruminare,' which means 'to chew over again.' This characteristic is essential for their survival, as they primarily feed on grass and other fibrous plants that require significant processing before they can be fully digested. The digestive process of 反刍动物 is quite complex and involves multiple stomach chambers. Most ruminants possess four stomach compartments: the rumen, reticulum, omasum, and abomasum. The first two chambers, the rumen and reticulum, work together to ferment the food. Microorganisms in these chambers play a crucial role in breaking down cellulose, a major component of plant cell walls. This fermentation process produces volatile fatty acids, which are absorbed into the bloodstream and serve as a primary energy source for the animal. After the initial fermentation, ruminants regurgitate the partially digested food, known as cud, back into their mouths to chew it again. This process of chewing cud not only helps to further break down the food but also mixes it with saliva, which contains enzymes that aid in digestion. Once the cud is thoroughly chewed, it is swallowed again and passes into the other stomach compartments for further digestion. The ability of 反刍动物 to efficiently convert plant material into energy is vital for their survival and plays a significant role in many ecosystems. They serve as herbivores, helping to control plant growth and maintain the balance of their habitats. In agricultural settings, ruminants are essential for food production, providing meat, milk, and wool. Their grazing habits can also promote biodiversity by preventing certain plant species from dominating the landscape. However, ruminants are not without their challenges. They are often susceptible to various diseases and parasites, which can affect their health and productivity. Additionally, the environmental impact of large-scale ruminant farming has raised concerns. Methane emissions from the digestive processes of 反刍动物 contribute significantly to greenhouse gas emissions, prompting discussions about sustainable farming practices. In conclusion, 反刍动物 are an integral part of our ecosystem and agricultural systems. Their unique digestive processes allow them to thrive on a diet primarily composed of grasses and other plants. Understanding their biology and ecological role is essential for promoting sustainable practices that benefit both the environment and human needs. As we continue to explore ways to minimize the environmental impact of ruminant farming, it is crucial to appreciate the importance of these remarkable animals in our world.

反刍动物是一类迷人的哺乳动物，它们拥有独特的消化系统，能够分解坚韧的植物材料。这些动物包括牛、羊、山羊和鹿等物种。“反刍动物”这个术语源于拉丁语“ruminare”，意为“再次咀嚼”。这一特征对于它们的生存至关重要，因为它们主要以草和其他纤维丰富的植物为食，这些食物在完全消化之前需要经过大量处理。 反刍动物的消化过程相当复杂，涉及多个胃腔。大多数反刍动物有四个胃室：瘤胃、网胃、瓣胃和真胃。前两个胃室，即瘤胃和网胃，共同工作以发酵食物。这些胃室中的微生物在分解纤维素（植物细胞壁的主要成分）方面发挥着关键作用。发酵过程产生挥发性脂肪酸，这些酸被吸收到血液中，作为动物的主要能量来源。 在初步发酵后，反刍动物会将部分消化的食物（称为反刍物）反流回口中，再次咀嚼。这一咀嚼反刍物的过程不仅有助于进一步分解食物，还将其与唾液混合，唾液中含有帮助消化的酶。一旦反刍物被彻底咀嚼，它就会再次吞下，进入其他胃室进行进一步消化。 反刍动物高效地将植物材料转化为能量的能力对它们的生存至关重要，并在许多生态系统中发挥着重要作用。它们作为食草动物，有助于控制植物生长，维持栖息地的平衡。在农业环境中，反刍动物对食品生产至关重要，提供肉类、牛奶和羊毛。它们的放牧习惯还可以通过防止某些植物物种主导景观来促进生物多样性。 然而，反刍动物也面临着各种挑战。它们常常容易受到各种疾病和寄生虫的侵害，这可能影响它们的健康和生产力。此外，大规模反刍动物养殖对环境的影响引发了人们的关注。反刍动物的消化过程中的甲烷排放显著增加了温室气体排放，引发了关于可持续农业实践的讨论。 总之，反刍动物是我们生态系统和农业系统的重要组成部分。它们独特的消化过程使它们能够在主要由草和其他植物组成的饮食中茁壮成长。了解它们的生物学和生态角色对于促进有利于环境和人类需求的可持续实践至关重要。在我们继续探索减少反刍动物养殖对环境影响的方法时，欣赏这些杰出动物在我们世界中的重要性是至关重要的。