那只小蝌蚪在池塘里游来游去，精力充沛。
The little ___tadpole was swimming around in the pond full of energy.
池塘里有很多小蝌蚪在游来游去。
There are many ___tadpoles swimming around in the pond.
孩子们兴奋地观察着池塘里游动的小蝌蚪。
The children excitedly watched the ___tadpoles swimming in the pond.
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