 This is a video used for study english with subtitles English. You can... |
 This is a video used for study english with subtitles English. You can... |
 From VOA Learning English, this is the Technology Report in Special En... |
 From VOA Learning English, welcome to the Education Report in Special ... |
 VOA Learning English-What Your Blood Pressure Means www.youtube.com/kh... |
