多用单词：
Emulsifying乳化的 Biotin生物素 Choline胆碱 Phytochemicals植物素 caramelization焦糖化反应 Preventing spoilage防止变质 Monosaccharides单糖 Oligosaccharide 低聚糖Polysaccharides多糖 pyrolysis热解 fudge软糖 gelatinization凝胶化 irreversible swelling不可逆溶胀 hemi-cellulose半纤维素 Xylan木聚糖， arabinogalactan, 阿拉伯半乳聚糖 galactoglucomannan半乳葡甘露聚糖 pectin果胶agar琼脂 algin藻胶 xanthan gum黄原胶 Glycogen糖原 trypsin 胰蛋白酶 pepsin胃蛋白酶 ovalbumin卵清蛋白 ferritin铁蛋白hemoglobin血红蛋白 lipoproteins脂蛋白 actin and myosin肌动蛋白和肌球蛋白 thrombin凝血酶 insulin胰岛素 collagen胶原keratin角蛋白 elastin粘性蛋白 Membranes细胞膜 Thiamin硫胺素vb1 Riboflavin核黄素vb2 alpha tocopherol生育酚 Niacin烟酸Pantothenic acid泛酸 Folic acid.叶酸 coenzyme辅酶 osmosis渗透作用 amylose直链淀粉  amylopectin支链 rancidity酸败 bran麸皮  pyramid金字塔 glycerol甘油 preservatives防腐剂constipation便秘 diverticular憩室的hemorrhoids痔疮  Diabetes糖尿病食品科学与工程就业 Osteoporosis骨质疏松症 Cardiovascular diseases心血管疾病 anthocyanidin花青素 polyphenol多元酚pigments素 spectrophotometers分光光度计 astringency涩味
Nitrogen氮purines嘌呤, pyrimidines嘧啶porphyrin卟啉adenosine triphosphate三磷酸腺苷linoleic acid亚油酸Thyroid function甲状腺功能citric柠檬酸 isocitric异柠檬酸  malic苹果酸  Oxalic草酸, tartaric酒石酸, succinic acids.琥珀酸 esters酯类 alcohols醇类 ethers醚类, ketones.酮类  Heat denaturation热变性sterilization灭菌 sanitizing消毒membrane processing膜处理microfiltration微过滤sediment沉淀物 ultrafiltration超滤 carotene胡萝卜素  hydrophobic疏水性  hydrophilic亲水性  hydrogel水凝胶chiral手性的D-glycerose D-甘油醛 heteroglycan杂聚糖polyunsaturated 多不饱和键的  catalyst 催化剂
翻译句型：
Although metals are crystalline solids, this is not immediately apparent when they are examined under a microscope.虽然金属是晶体，但是当在显微镜下观察时，并不是立刻就那么明显。
The major problem in manufacturing is the control of contamination and foreign material．制造时的一个主要问题是控制污染和杂质
Industrialization and environmental degradation seem to go hand in hand．工业化发展似乎伴随着环境的退化。
In the microbial transformation of contaminants, organisms
can either “eat” the toxins or break them down in the process
of consuming other substances．在对污染物进行微生物转化的过程中，生物会清除毒素或在消耗其他物质时把这些毒素分解
Most mRNAs in bacteria are unstable with half-lives of 2-4 minutes at 50℃.在细菌细胞内，大多数mRNAs是不稳定的，它们的半衰期在50℃下是2-4分钟。
This is the first step toward the solution of air pollution．这是解决空气污染问题的第一步。
Were there no gravity，there would be no air around the earth．假如没有重力，地球周围就没有空气。
Because the body’s defense system is damaged，the patient has little ability to fight off many other diseases．由于人体的免疫系统遭到破坏，病人几乎没有什么能力来抵抗许许多多其他疾病的侵袭。
A gas distributed itself uniformly through a container．气体均匀地分布在整个容器中。
Like charges repel each other ,while opposite charges attract．同性电荷相斥，异性电荷相吸。
There are some metals which are lighter than water．有些金属比水轻。
Steels possess good hardness and high strength．钢的硬度大，强度高。
The temperature of the liquid is raised by the application of heat．加热可以提高液体温度。
There are many kinds of atoms，differing in both mass and
properties．原子种类很多，质量与性质都不相同。
There are some chemical fuels that are clean and smokeless．有些化学燃料洁净无烟。
Explosive technological development after 1940 gave the medical profession enormous power to fight disease and sickness．1940年以来，随着技术的迅速发展，医学界大大提高了战胜疾病的能力。
The pH meter should be calibrated on the day it is used 。pH计应该在使用的当天进行标定。
All mater consists of molecules, and molecules of atoms物质是由分子组成的，分子又是由原子组成的
Sodium is never found uncombined in nature．自然界中的钠被发现都处于化合状态。
There are many other energy sources in store．还有多种其他能源尚未开发。
The average speed of all molecules remains the same so
long as the temperature is constant．只要温度不变，全部分子的平均速度也就不变。
That the technique of high pressure processing is widely
applied to food production is known to all of us.高压技术广泛应用于食品生产，这是我们大家都知道的
Whether this experiment could prove it is still a question.这个试验能否证明它．这还是个问题。
The relevant characteristics of these microorganisms are that they should be non-pathogenic, easy to maintain and cheap to grow.这些微生物的有关特性是它们不应是病原性的，而且易于保存，培养时花费不多。
From the evaporation of water we know that liquids can turn into gases under certain conditions.我们从水的蒸发现象知道，液体在一定条件下可以变成气体。
The thermostat is based on the fact that different materials have different coefficients of expansion.各种金属的膨胀系数都不同，这一事实就是恒温器的基本原理。
The species that accepts electrons in an oxidation reduction
reaction is referred to as the oxidizing agent.在氧化还原反应中接受电子的物质称为氧化剂。
Table 1 lists some microorganisms which have been reported to be metabolically able to carry out the biodegradation of some ofthese compounds.表1列出了一些据报道能通过代谢途径生物降解这些化合物的微生物。