CCTV News (Reporter/Du Anqi): With the arrival of summer, all kinds of mosquitoes have begun to become active. Swarms of flying insects began to appear in parks, neighborhoods and streets, and bed bugs were found in residents' homes、...
05-01
If the human body lives in a hypoxic condition for a long time, life will be threatened with death. However, there is a disease in which patients suffer from hypoxia for a long time, and even the lips suffer from long-term hypoxia...
05-03