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knocking together

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第三人称单数：knocks together 现在分词：knocking together 过去式：knocked together

knocking together

And Edmund stood in the shadow of the arch , afraid to go on and afraid to go back , with his knees knocking together.

They need their heads knocking together - they are wasting far too much time arguing over unimportant details .

Study on Basis of Data Integrity of Knocking Together Function