Designers in California have built a breathalyzer to detect traces of marijuana.[阅读全文]
This is the port of Beirut, one month after a blast that was so powerful it was visible from space.[阅读全文]
Each summer the population of Cape Cod, Massachusetts swells as thousands of visitors head to its beaches.[阅读全文]
The coronavirus outbreak is boosting demand for home delivery of meals and groceries as more consumers avoid crowded restaurants and stores.[阅读全文]
Camel owners in Saudi Arabia are thankful for the brand new Salam Veterinary Hospital.[阅读全文]
My little borother is studying engineerigng
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