helpful, why don’t our hands just stay that way all the time? Researchers explained that wrinkling....Everything our bodies do must mean something. If your finger wrinkling up had no use at all ……

’t our hands just stay that way all the time? Researchers explained that wrinkling has its disadvantages... explanation.Everything our bodies do must mean something. If your finger wrinkling up had no use at all ……

with wrinkled fingers moved dry marbles slower than those with dry hands.D. Dry hands made it easier for our... of the wrinklesD. by considering our ancestors’ life and environment3. What did the scientists find ……

fingers andtoes(脚趾) are covered by a thick, hard layer of skin. See how the skin of youreyelids(眼皮) is much softer and thinner than on your hands and feet — that's because it needsflexibility(灵活 ……

information to other elephants. The muscles (肌肉) and wrinkles on the trunk help them do... and sending information to other elephants. The muscles (肌肉) and wrinkles on the trunk help them do ……

deafness, communication was still difficult.I smiled at her, and she replied. She could read our lips (嘴唇...) hand, she passed me some homemade pastries (糕点). Her hands tested the temperature of my cup again ……

. Wrinkles on elephants’ trunks help their trunks move easily.(    ) 4. Wrinkles on elephants’ trunks help their trunks move easily.(    ) 5. Left-trunked elephants have more wrinkles ……

This is a special clock. There is no numbers on it. How does it tell us the time? The clock looks like a balloon. There are 12 wrinkles (褶皱) on the balloon. Each wrinkle stands for (代表) a number ……

parts of our bodies? Amazon has a new technology (技术) that scans hands. The technology can identify (识别) people by scanning their hands. It analyzes (分析) things such as wrinkles (皱纹) and creases ……

) of the wrinkles C. after they studied the patterns of the wrinkles D. by considering our ancestors’ life... those with dry hands.D. Dry hands made it easier for our ancestors to climb around in wet forests.4 ……

or right-trunked, much like how people are left- or right-handed, according to a new study in Science. People can tell this by looking at the wrinkles (褶皱) on their trunks.Elephants can be left-trunked ……

grasped (抓住) our hands tightly.We played games and chatted with her, and it seemed as if the wrinkles... lost in my thoughts and began to reflect (反思) on how people must feel as they face the challenge ……

, and sending warnings (警告) to other elephants. The muscles (肌肉) and wrinkles of the trunks help them do... (警告) to other elephants. The muscles (肌肉) and wrinkles of the trunks help them do these things ……

  为什么人老了以后会有皱纹？为什么人老了以后会有皱纹？When we move our muscles (肌肉), you can see wrinkles on our... in their skin. Their wrinkles don’t go away. They stay on their skin. When we move our ……

these years, he’s still emotional when talking about how proud he is of once being a student of our... it.It was taken during the 60th anniversary of my school. The elderly man in the picture attended our school ……