Billions Have Untreated Tooth Decay
30 июля 2013

Billions Have Untreated Tooth Decay

Billions Have Untreated Tooth Decay
From VOA Learning English, this is the Health Report. Nearly 4 billion people around the world have serious, untreated problems with their teeth. That is wha...
Благодаря видео Billions Have Untreated Tooth Decay можно многому научиться.
 
#1 написал: lite3ng (1 августа 2013 07:44)
Thanks. Great video, I learn? a little english.
Добавление комментария