2020-05-21 New Mask Could Make Eating in Restaurants Less Risky
Israeli inventors have developed a face mask with a remote-controlled mouth that helps protect against the coronavirus. They say someone…
VOA英语教学网 - VOA Learning English
一个让你免费在线学习VOA英语的好地方! 无须报名, 不收学费, 全年无休, 保证提高! (^_^)
Israeli inventors have developed a face mask with a remote-controlled mouth that helps protect against the coronavirus. They say someone…