本集内容. Dogs were man's best friend far earlier than thought. 狗成为人类 “最佳伙伴” 的时间远早于早前认知. 文字稿. It's a small piece of jawbone, bu ...
Episode 210923 / 23 Sep 2021 Learn English words and phrases from this story Working on Big Ben 英国大本钟维修竣工倒计时 Episode 210916 / ...
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