He thinks food is a priceless teaching aid.
他认为食物是无价的教学辅助。
The utility model relates to a teaching aid.
本实用新型涉及一种教具。
The blackboard is a primitive teaching aid used for centuries.
黑板是一种原始的教学辅助工具，已经被使用了数百年了。
The utility model is the suitable teaching aid of a music theory.
该对照尺是一种很好的音乐理论教学用具。
The utility model can be produced into a power toy or a teaching aid.
该装置可以制成动力玩具，也可以制成教学用具。
This thesis studies the influence of the Culture-Aid Approach on college English language teaching.
本文研究了《实用英语》施教中“文化辅助法”的导入对大学英语教学的影响。
Computer aid instruction is creative application of computer technology at teaching field.
计算机辅助教学是计算机技术在教学领域中创造性的应用。
Computer aid instruction is creative application of computer technology at teaching field.
计算机辅助教学是计算机技术在教学领域中创造性的应用。
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