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The idea to design a math teaching aid came about while Emily was teaching math classes to the students.
当艾米丽给孩子们上数学课时，她突发奇想，设计一套数学教具的想法在她的脑子里应运而生。
youdao
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The idea to design a math teaching aid came about while Emily was teaching math classes to the students.
当艾米丽给孩子们上数学课时，她突发奇想，设计一套数学教具的想法在她的脑子里应运而生。
youdao