The jigsaw puzzle can be widely used as a toy for infants, and also can be used as an auxiliary teaching tool in kindergartens.
本产品既可以广泛作为幼儿的玩具，也可以作为幼儿园的辅助教学用具使用。
Under the influence of constructivist theory and the theory of multiple intelligence assessment, the electronic portfolio began to be widely applied in teaching and become an important auxiliary tool.
在建构主义理论、多元智能评价理论的影响下，电子档案袋开始在教学中得到广泛应用，并成为重要的辅助工具。
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