大学英语自学教程 上册 un06

[07:52.69]and study objects which you have to look at through a magnifying glass,
[07:55.56]而去研究只有用放大镜才能看到的东西，
[07:58.43]and you will find many things that will puzzle you.
[08:00.81]你一定会发现许多东西使你迷惑不解。
[08:03.19]You will find plants without roots, leaves, flowers, or seeds;
[08:06.22]你会发现有无根，无叶，无花或无种子的植物，
[08:09.25]and you will find animals without heads,legs,eyes,mouths,or stomachs.
[08:13.27]你还会发现无头、无足、无眼、无嘴或无胃的动物。
[08:17.29]Students of Nature are not satisfied with guessing,
[08:20.02]大自然的研究者不满足于猜测，
[08:22.75]but they observe,day after day,
[08:24.79]而是日复一日地观察
[08:26.83]the changes which take place in at,object;
[08:29.05]物体发生的变化。
[08:31.27]and they see many things which most people would fail to see.
[08:34.21]他们看到了大多数人未能看到的许多东西。
[08:37.15]And thus they have found that the real difference between plants and animals
[08:40.08]因此他们发现动物与植物的真正差异在于
[08:43.02]lies in what they do, and not in what they seem to be.
[08:45.81]它他们的行为而不是它们的形体。
[08:48.59]We now know that about one fourth of all the kinds of seaweed are animals.
[08:52.06]现在我们知道各种海草中大工业约有四分之一是动物。
[08:55.54]A few years ago all of them were classed as plants.
[08:58.37]而几年前它们都归类为植物。
[09:01.20]It was long supposed that the main difference between animals and plants
[09:04.17]长时间以来一直认为动物与植物的主要区别
[09:07.13]was that the former could move about while the latter could not.
[09:09.80]是前者能到处移动而后者则不能。
[09:12.46]But this difference will not hold good.
[09:14.36]但这一区别不能成立。
[09:16.25]How then are we to know whether a living object is a plant or an animal?
[09:19.48]那么我们怎能知道一个生物是植物还是动物呢？
[09:22.70]Plants can live on inorganic matter;
[09:24.78]植物能靠无机物生活；
[09:26.86]they have the power of changing earth and air and water into substances
[09:30.68]它产具有将土地、空气和水
[09:34.51]which enter into and become a part of themsdves.
[09:37.14]变为铖植物自身一部分的能力。
[09:39.76]Animals can live only on what plants have already turned
[09:42.84]动物只能靠植物将无机物
[09:45.93] from inorganic to vegetable matter.
[09:48.20]变为植物性质来生活。
[09:50.47]Animals,although they need some inorganic food,cannot live on it alone.
[09:54.26]虽然动物也需要食用某些无机物，但不能单靠无机物生活。
[09:58.05]All the food that keeps our bodies strong, or makes them grow,
[10:00.87]一切使我们身体强壮或成长的食物
[10:03.69]was once in the vegetable form.
[10:05.87]都曾一度为植物生的。
[10:08.05]No bird nor fish nor other animal could ever have lived on this earth,
[10:11.44]如果没有植物首先出现在地球上
[10:14.82]if the plants had not come first
[10:16.95]并为更高一级生物的生活条件做好准备，
[10:19.08]and fitted it for the dwelling place of a higher order of beings.
[10:21.75]那就不可能有鸟、鱼或其他任何动物在地球 上生存。
[10:24.43]Plants are the true fairies that are forever working wonders around us.
[10:27.51]植物是真正的仙子，始终在我们周围创造着奇迹。
[10:30.60]Their roots,dig down into the earth and gather its treasums.
[10:33.57]植物的根部深入地下，吸收土壤中的养分；
[10:36.55]Their leaves spread their broad surfaces to the air and take in its riches;
[10:40.13]植物的叶子在空中展开，吸收空气中的有用物质。
[10:43.71]and out of what they have thus gathered they produce the beautiful flowers,
[10:46.74]吸收了这些物质后，植物开出美丽花朵，
[10:49.77]the delicious fruits, and the golden grain.
[10:52.29]结出美味的果实，长出金色的谷物。
[10:54.81]Let us study more clasdy the way in which a plant grows.
[10:57.59]让我们更加仔细地看看植物是怎样生长的。
[11:00.38]The root pushes itself down into the earth.
[11:02.74]根向下深入土壤，
[11:05.10]If it finds no water, it soon dies.
[11:07.53]如果遇不到水，便很快枯死；
[11:09.96]If it finds water,it begins to suck it up and change it into sap.
[11:13.65]如果说遇到水，便将水吸起，变为植物的液汁。
[11:17.33]Besides the water,
[11:18.84]除水之个，
[11:20.36]it takes up such parts of the soil as are dissolved in the water.
[11:23.44]根还吸收土壤中那些溶于水中的物质。
[11:26.52]Here,then,you see in what ways
[11:29.15]由此，你可以看到
[11:31.77]the food of the plant is different from that of animals.
[11:34.50]植物的食物与动物的食物是怎样的不同。