本视频由对古今中外的环保趣闻的介绍切入,然后介绍了后面接现在分词的动词和词组。
This video starts with an interesting introduction to some anecdotes about environmental protection. Then it moves on to the grammar about verbs with -ing.
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本视频由对古今中外的环保趣闻的介绍切入,然后介绍了后面接现在分词的动词和词组。
This video starts with an interesting introduction to some anecdotes about environmental protection. Then it moves on to the grammar about verbs with -ing.