hàng triệu nhân mạng

Hand Washing Can Save Millions of Lives Rửa Tay Có Thể Cứu Hàng Triệu Nhân Mạng Advanced Listening Lisa Schlein More than 120 million children in 70 countries, across five continents, are participating in the first U.N. Global Hand Washing Day. Participants will mark the day with...