英语合集，英语口语50
How do focus groups work - Hector Lanz<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594843&page=500' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>How parasites change their host's behavior - Jaap de Roode<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594839&page=499' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>
The time value of money - German Nande<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594831&page=498' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>
The psychology of narcissism - W. Keith Campbell<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594826&page=497' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>
Why wasn’t the Bill of Rights originally in the US Constitution - James Coll<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594824&page=496' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>
Eye vs. camera - Michael Mauser<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594613&page=495' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>
How the world's first metro system was built - Christian Wolmar<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594605&page=494' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>
The history of chocolate - Deanna Pucciarelli<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594604&page=493' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>
Everything changed when the fire crystal got stolen - Alex Gendler<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594561&page=492' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看<br/>
Why the Arctic is climate change's canary in the coal mine - William Chapman<br/><br/><iframe src='//player.bilibili.com/player.html?aid=753737705&bvid=BV1Dk4y1q781&cid=208594560&page=491' scrolling='no' border='0' frameborder='no' framespacing='0' allowfullscreen='true' style='width:100%;height:350px;' > </iframe>手机端观看更流畅，可调播放进度，关弹幕<br/>电脑端点击后需要等待几秒钟<br/>黑屏请到手机端观看
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