teaching aid

基本解釋

The idea to design a math teaching aid came about while Emily was teaching math classes to the students.
當(dāng)艾米麗給孩子們上數(shù)學(xué)課時，她突發(fā)奇想，設(shè)計一套數(shù)學(xué)教具的想法在她的腦子里應(yīng)運而生。
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Again it should be noted that this algorithm was designed as a teaching aid and further refinement is needed it can be used in a production setting.
再次強調(diào)這個算法是為了教學(xué)目的而設(shè)計的，如果要將其運用于產(chǎn)品的構(gòu)建上那么它還需要進行更多的改進。
I undertook to show this was true in an extreme case, merely because it would serve as a good teaching aid to those whose temptation to give in to anger and assault would not be so extreme.
我以一個極端的例子向你證明此言不虛，有鑒于不少人受到的誘惑還沒那么嚴重，就禁不住發(fā)怒與攻擊，我的前例對他們會是一個很好的教學(xué)工具。
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There were charts, pictures, and any other teaching aid he thought would help me understand what he was teaching.
FORBES: Growing Up And Liking It
Admittedly, this is a sensitive topic for most people, so I have turned to an unlikely resource — namely, comic books — to aid in teaching about complex and evolving gender issues.
FORBES: What Do Comic Books Teach Us About Gender Attitudes?

any device, object, or machine used by a teacher to clarify or enliven a subject