佛缘 2017-08-28

这世间所有的相遇，都是有原因的， 每一次遇见，都是一个心愿， 也许，前世有未了的情缘， 所以，此生才能得以见面， 所有的遇见，皆是因为相欠。 ...

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How Do Many Hearing-Impaired People Talk? 2016-06-23

Hearing-impaired people cannot hear sounds well. How do they "hear" words? Many hearing-impaired people use sign language. They talk with ...

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How can a plant kill? 2016-06-21

How Can a Plant Kill? People kill. Animals kill. Animals and people kill for food, or they kill their enemies. People and animals can mov ...

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Why is the sea salty? 2016-06-16

3 Why Is the Sea Salty? There is a lot of salt on the Earth, and it mixes very well with water. There is some salt in all water. Water ...

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Why do people laugh? 2016-06-07

2 Why Do People Laugh? Do you laugh every day? Most people do. Scientists say that people laugh about 17times a day. That is a lot of laughte ...

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Yawn 2016-06-06

Why Do We Yawn? Bears yawn. Camels yawn. Most mammals yawn. Why do we yawn? No one really knows the answer. We do know that everyone yawns ...

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