The world's most enormous machines are stripped down and torn apart to discover their hidden secrets and to reveal out how each one has changed our world in its own unique way. Engineering Giants is a documentary series which takes a look at the making of some of the world's hughest machines.
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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