Invisible Killers, a three-part documentary series, looks at how viruses have shaped our health and history, the biological and social impact they have on our global society, and the incredible science that has arisen to combat them. Each of the episodes focuses on an individual virus, reaching back to tell the history of that virus and looking closely at the state of the resea...
Copyright © 2015-2018 All Rights Reserved
观看部分外语对白(如英语、美语、日语、韩语、泰语等)的影视节目对口语发音和口语培训有较好的效果，可以一定程度的训练听力和发音