胆固醇是一种脂肪物质在你的血液。
胆固醇是一种生命必须的脂肪物质。
运输胃肠道的脂肪物质是这个系统最主要的功能。
The transport of fat from the gastrointestinal tract is the principal function of this system.
胆固醇是一种脂肪物质从饱和脂肪，我们吃的了。
Cholesterol is a fatty substance made from the saturated fat that we eat.
一种叫做髓鞘质的脂肪物质包裹和保护这些纤维。
A fatty substance called myelin covers and protects the fibers.
泡沫层中的脂肪物质离能利用脂肪的细菌相当远。
In the scum layer, these fatty materials may be rather remote from the bacteria that are capable of utilizing them.
胆固醇是一种脂肪物质被人体提出，生活在血液和组织。
Cholesterol is a fatty substance made by the body that lives in blood and tissue.
这些脂肪物质可以促进可溶性维生素的吸收，成为营养的获取途径。
These fats served as a vehicle for nutrients, by promoting absorption of fat-soluble vitamins.
原始脂肪物质含有一定量的不被人类消化系统水解的物质。
Crude fatty materials contain certain substances that are not hydrolyzed in the human alimentary system.
当抹香鲸生病时，它会产生出一种脂肪物质，被称为龙涎香。
When a sperm whale is sick, it many produce a fatty substance called ambergris.
胆固醇是由人体自然合成的脂肪物质，很多食物中也含有胆固醇。
Cholesterol is a fatty substance made naturally by the body and also found in many foods.
美国科学家在研究中发现，海藻和海带中含有一种叫硫酸脂的脂肪物质。
American scientists in the study found that seaweed and kelp contains a lipid fatty acid called material.
虽然大豆的细胞内含有脂肪物质，也可以提取后加工成生物燃料，但是，就一英亩面积而言，光合微生物的产油量要比大豆高将近250倍。
Some plants, such as soybeans, also store fats and can be used as fuel sources, but photosynthetic microbes produce nearly 250 times more fat per acre.
脂肪和糖富含热量，但缺乏维生素和矿物质。
Fats and sugar are very rich in energy but poor in vitamins and minerals.
大部分蛋白质存在于蛋清中，而维生素、矿物质、脂肪、类胡萝卜素和胆固醇则存在于蛋黄中。
Most of the protein is contained in the egg white, while vitamins, minerals, fats, carotenoids and cholesterol are contained in the yolk.
其他危险物质也混入了动物脂肪和油脂。
Other dangerous materials were also mixed with animal fats and oils.
这些化学物质和毒素在脂肪组织中生物蓄积并在食物链中生物放大。
These chemicals and toxins bioaccumulate in fatty tissue and biomagnify up the food chain.
通过不同的计算，研究者还能得知这些被消耗的卡路里是来自人体两种主要能源物质——脂肪和碳水化合物——中的哪一种。
Using various calculations, the researchers could also tell whether the calories expended were in the form of fat or carbohydrates, the body's two main fuel sources.
除了葡萄糖以外，氨基酸和脂肪等物质也是必需的。
It's not just glucose that is required but also substances such as amino acids and fats.
消费者被一次次的告知，鱼类是安全的，富含健康的瘦蛋白和脂肪酸，但是这些健康物质能够有中毒危险吗？
Time and time again, consumers are told that fish is a safe, healthy source of lean protein and fatty acids, but do the health benefits outweigh the toxin risk?
它们都含有类黄酮，一种天然植物食品中的化学物质，可以消灭脂肪。
They all contain flavonoids, naturalchemicals in plant foods that may have fat-fighting effects.
同样，脂肪组织可以吸收那些加剧呼吸困难的炎症物质。
Also, fatty tissue could be soaking up some of the inflammation compounds that exacerbate the breathing issues.
野生大马哈鱼和核桃中富有欧米茄3型不饱和脂肪酸，这种物质能预防生成皱纹的皮肤炎症。
Omega-3 fatty acids like wild salmon and walnuts that fight wrinkle-causing inflammation.
我们内脏里的细菌会吞噬糖类和脂肪酸一类的物质，它们通过呼吸作用和发酵作用可以分解此类物质。
Bacteria in our gut gobble up things like sugars and fatty acids, which they can break down either through respiration or fermentation. Respiration provides a bigger energy kick.
我们需要纤维，维生素。矿物质，蛋白质和优质脂肪等等。
We need to get fiber, vitamins and minerals, protein, good fats, etc.
我们需要纤维，维生素。矿物质，蛋白质和优质脂肪等等。
We need to get fiber, vitamins and minerals, protein, good fats, etc.
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