the sum of

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UK

A1 初級
phr.片語總和
The sum of the angles in a triangle is 180 degrees.

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Tina Seelig教授談真正有創意者的六大特質 The 6 Characteristics of Truly Creative People

20:09Tina Seelig教授談真正有創意者的六大特質 The 6 Characteristics of Truly Creative People