REACHING lengths of 19.8 meters, the leaves of a raffia trees (酒椰树), a tropical (热带的) plant, measure about the same length as a tennis court. Raffia trees have several stems (枝杈) that can reach ……

  树的生长暗藏玄机。树的生长暗藏玄机。Trees seem to grow branches (树枝) and leaves in all directions... of trees have different patterns? What happened?Are the patterns similar?Do different kinds ……

,000 years! They are one of the largest and longest-living trees in the world. Some have even lived...-living trees in the world. Some have even lived for nearly 2,000 years.People also call it the &ldquo ……

水果拼成的椰子树Coconut trees grow in hot places. They have big leaves. Look at these two coconut trees. They are beautiful and yummy! The leaves are kiwi fruits (奇异果). The branches are bananas. The soil ……

水果拼成的椰子树Coconut trees grow in hot places. They have big leaves. Look at these two coconut trees. They are beautiful and yummy! The leaves are kiwi fruits (奇异果). The branches (树干) are bananas ……

have arrived one month later than they did over 100 years ago. Some leaves even fall before turning.... Today, red leaves in some countries have arrived one month later than they did over 100 years ago ……

树叶也会“屏住呼吸”树叶也会“屏住呼吸”Trees have small holes in their leaves. They use them to breathe (呼吸). When... we hold our breath during a fire.Trees have small holes in their leaves. They use them to breathe (呼吸 ……

in autumn. Have you ever wondered how the leaves do it?Leaves become colorful in autumn. Have you ever wondered how the leaves do it?Leaves have different pigments (色素). In spring and summer ……

and Shanghai. In fall, the leaves all change to a golden color. It is amazing!Have a go1. (Mule deer...世界“最大生物”正在消失In the US, there is a group of aspen trees (白杨树). There are 47,000 trees. Now the giant ……

草) has two big leaves. It eats insects (昆虫) with its leaves. After a meal, there are some pieces of the insects left inside the plant. Later, these pieces become waste. The flytrap then opens its leaves ……

in hand. The trees have big and round fruit. They look like bread. Monkeys like the fruit very much. African people call the trees monkey-bread trees. Baobab trees have more than 300 uses ……

Leaves change into different colors in fall.  TUCHONG  What gives trees such colorful leaves in the fall?What gives trees such colorful leaves in the fall?树叶变色是为了防晒还是防虫？树叶 ……

Leaves change into different colors in fall.  TUCHONG  What gives trees such colorful leaves in the fall?What gives trees such colorful leaves in the fall?树叶变色是为了防晒还是防虫？树叶 ……

In summer when it's very hotTrees are dressed in leaves.In winter whenit snows a lot?They'rebare(光秃秃).Freezy,breezy,trees. ……

) or in a nearby park.Smoke tree 黄栌The leaves of smoke trees are round. They look like small fans. They are usually... of China.Maple 枫树Most maples grow in Asia. They grow to 10-40 meters. Maple leaves have sharppoints ……