Is it: a) the space hopper, b) the Rubik's cube also known as magic cube, or c) the cabbage patch doll?
a) 弹跳球， b)魔方，还是 c)大头娃娃？
Magic Cubes
原声例句
6 Minute English 六分钟英语
6 Minute English 六分钟英语
Tell me: what is the best-selling toy of all time? Is it: a) the space hopper? b) the Rubik's cube also known as magic cube? Or c) the cabbage patch doll?
你能告诉我，一直以来最畅销的玩具是什么吗？a) 弹跳球？b) 魔方？还是 c) 大头娃娃？
英语百科
Magic cube
In mathematics, a magic cube is the 3-dimensional equivalent of a magic square, that is, a number of integers arranged in a n x n x n pattern such that the sum of the numbers on each row, each column, each pillar and the four main space diagonals is equal to a single number, the so-called magic constant of the cube, denoted M3(n). It can be shown that if a magic cube consists of the numbers 1, 2, ..., n, then it has magic constant (sequence A027441 in OEIS)
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