名词
中文翻译：直观教具同义词
同义词：
['visual aids', 'tangible teaching aids']
例句：
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1. The teacher used a variety of visual aids to explain the concept of gravity.
老师使用各种直观教具来解释重力的概念。
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2. The students were able to grasp the concepts more easily with the help of tangibleteaching aids.
借助直观教具，学生们更容易理解这些概念。
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3. The presentation was designed to make complex ideas more accessible through visual aids.
这个演示设计通过直观教具使复杂的思想更加易于理解。