ចំណេះដឹងនៃការប្រើប្រាសថ្នាំដុះធ្មេញដែលអ្នកមិនធ្លាប់ដឹង🥰.

Malaria remains one of the deadliest diseases worldwide. But the U.S. successfully wiped out the mosquito-borne parasite from the American South in the early part of the 20th century. One researcher thinks this successful campaign offers lessons for how to stop malaria worldwide.

Driving in Japan #Fuji mountain #Shizuoka Prefecture Hello everyone! Welcome to my channel Lak Leakhena, Life and Learn in Japan. In this Channel you will see, a simple life in Japan, Trip, Japanese culture, Technology, people, including an English and a Japanese subtitle. especially, you can listen to Cambodian| Japanese |English Languages as my descriptions in each video. Finally, In a coming year 2021. I wish you safety and a happiness in your whole family. Education Learn Japanese and Cambodian languages -Learn in Japanese languages -Learn in Cambodian languages -Learn in English languages -Learn Japanese culture and history -Learn philosophy