The colours are magnificent, but the question of exactly why some trees turn yellow or orange, and others red or purple, is something which has long puzzled scientists.
这些颜色很瑰丽，但究竟为什么有些树会变成黄色或橙色，而有些树会变成红色或紫色，这个问题一直困扰着科学家。
What is still not fully understood, however, is why some trees resort to producing red pigments while others don't bother, and simply reveal their orange or yellow hues.
然而，至今仍不完全清楚，为什么有些树木倾向于制造红色素，而有些树木不去刻意制造色素，但还是会呈现出橙色或黄色。
TAM's shoreline is coated with a film colored in different shades of red, orange, and yellow, depending on how thick it is.
TAM的海岸线覆盖着一层深浅不同的有色彩的膜，红色、橙色、黄色，取决于它的厚度。
"Richard of York Gave Battle in Vain," for example, is a mnemonic for recalling the colors of the visible spectrum in the right order (red, orange, yellow, green, blue, indigo, and violet).
比如，“纽约的理查德进攻失败”，就是一种按正确顺序回忆起可见光颜色(红、橙、黄、绿、蓝、靛、紫)的记忆方法。
Most of the protein is contained in the egg white, while vitamins, minerals, fats, carotenoids (orange/red/yellow pigments) and cholesterol are contained in the yolk.
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。
TAM's shoreline is coated with a film colored in different shades of red, orange, and yellow depending on how thick it is.
TAM的湖岸线覆盖着一层薄薄的诸如红、桔和黄不同的色调膜，它们的颜色取决于膜的厚度。
There is nothing prettier than the way the orange, red and yellow trees light up your surroundings before the leaves drop.
没有什么比在叶子落下之前，一路上有一片橙的，红的，黄的叶子的树林来点亮你的周围更美妙的事了。
The basic color scheme is green, yellow, red, brown with heavy pink, orange and blue accents.
卧室最基本的色调为绿色，黄色，红色，棕色，并搭配以深粉色，橘色以及蓝色。
As opposed to emotionally warm colors like red, orange, and yellow; blue is linked to consciousness and intellect.
与情感上的暖色如红色、橙色和黄色相反，蓝色与意识和智力相联系。
The fruit is a berry and comes in red, orange or yellow. It has a similar appearance to tomatoes, and is said to taste like a mixture between tomatoes and lemons.
科科纳果属于一种浆果，有红色、橙色和黄色，外型与西红柿相似，据说吃起来像西红柿和柠檬的混合味道。
As a result, the green chlorophyll is slowly leached away, revealing the yellow and orange hues seen in some tree species come autumn. Red leaves are another story.
其结果是，绿色的叶绿素是慢慢地被过滤了出来，在某些树种中，从它们所展现的黄色和橙色的色调里可以看到秋天的到来。可是红叶却是另外一件事。
Orange is a combination of its two neighbors on the color wheel, red and yellow.
橙色是色环上相邻的红和黄两种颜色的结合。
The fruit is a berry and comes in red, orange or yellow.
果实属浆果类，颜色多为红、橘、黄。
Virginia's Shenandoah Valley is ablaze with fall colors-the yellow and orange of poplars, birches, striped maples, and hickories, punctuated with the red of sugar and red maples.
弗吉尼亚州的谢南多厄河谷(ShenandoahValley)闪耀着秋天的色彩——白杨、桦木、条纹槭和山核桃的黄色和橙色，点缀着蜜糖似和红枫的红色。
Another example is methyl orange, which is red in acids and yellow in alkali solutions.
另一个例子是甲基橙，它在酸性溶液中为红色而在碱性溶液中为黄色。
Warm colors and comfortable design is full of colors, such as orange, red and yellow, will help create a pleasant atmosphere.
暖色的设计方案里充满了安逸的色调，如橙色、红色和黄色，有利于营造愉快的气氛。
The Shuixian Brick Tea is square in shape with outstanding aroma mellow brisk & fresh taste orange yellow liquor yellow & bright leaf and distinct red sides.
水仙茶饼外形呈方形，内质香气花香显著，滋味醇厚鲜爽，汤谦橙黄，叶底黄亮，红边鲜明。
Orange paint is a mix of red paint and yellow paint.
橙色涂料是红色涂料和黄色涂料的混合物。
红色加黄那是橙。
Its colorful leaves, with purple, yellow, orange, and red... Though grass under wall has been no spring, summer, pale green, is like a piece of yellow and green carpet.
它的叶子五颜六色，有紫的、有黄的、有橙黄的、还有红的……墙下的草地虽然已经没有春夏时的嫩绿，却好像一块黄绿相间的地毯。
And the newly listed fruits: yellow orange, red apple, white pears, they are quietly tell you: autumn is the harvest season, is the season of harvest.
还有那新上市的水果：黄澄澄的桔子、红通通的苹果、雪白的鸭梨，它们都在悄悄地告诉你：秋天是丰收的季节，是收获的季节。
Orange: Inheriting some of the drama of red, orange is tempered by the friendly humour of yellow. It's the colour that stimulates the appetite and radiates with warmth and vitality.
橙色：继承了红色的张扬，又被黄色的婉转所中和，橙色能有效促进食欲，也是放射着温暖活力的颜色。
The most commonly cited and remembered sequence, in English, is Newton's sevenfold red, orange, yellow, green, blue, indigo and violet.
最普遍援引和记忆中英文顺序，是牛顿的七倍红，橙，黄，绿，蓝，靛，紫。
Human etheric grid work at2 strands of DNA is sticky and dense, hosting colors that are black, brown, muddy red, muddy blue, puke green, muddy purple, pus yellow or muddy orange, and so on.
蒁na的人类以太晶格工作层是浓稠和致密的，拥有诸如黑色、色、红色、蓝色、吐绿、紫色、黄或泥橘红等颜色。
When the I-SAW is fitted into a car and a motorbike is near at hand, the display device in the car shows yellow, orange and, finally, red which indicates the bike is getting closer.
当正在驶近的汽车或摩托车安装上I- SAW时，汽车上的显示装置就会随着摩托车或自行车的逐渐接近而显示出黄色、橙色、最后是红色。
Sunlight is made up of all the colors of the rainbow: red, orange, yellow, green, blue, and violet.
阳光是由彩虹的所有颜色了：红，橙，黄，绿，蓝，紫。
Each face of the cube is covered by 9 squares among six solid colours: white, red, blue, orange, green, and yellow.
每一张脸的立方是由九方格的六名坚实的颜色：白色、红色、蓝色、黄色、绿色、橙色。
It's fall. I like fall very much. Becaues fall is cool and windy. Fall is red, yellow and orange.
这是秋天，我可喜欢秋天了，因为秋天有风而且非常凉爽，秋天的颜色是红色的，黄色的和橙色的。
It is available in five colors: green, blue, red, orange and yellow.
它有五种颜色：绿色，蓝色，红色，橙色和黄色。
It is available in five colors: green, blue, red, orange and yellow.
它有五种颜色：绿色，蓝色，红色，橙色和黄色。
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