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Every child has played with this type of viscous matter, rubbing it between thumb and forefinger.
每个小孩都玩过这种黏性物质, 在大姆指与食指中间搓揉.
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There were three children down with the measles and he had a whitlow on her thumb.
她有三个孩子正在出麻疹,她自己大姆指上又长了个疔.
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