W:does this elevator stop on every floor
电梯在每层都停吗?
M:NO,it stops only on the even ones.
不,它只在偶数层停.
if you want an odd floor ,go to the even one above it and then walk down
如果你想要奇数层,就去上面的一个偶数层,然后再往下走一层.
答案:因为9是奇数.
even偶数
odd奇数
W:does this elevator stop on every floor
电梯在每层都停吗?
M:NO,it stops only on the even ones.
不,它只在偶数层停.
if you want an odd floor ,go to the even one above it and then walk down
如果你想要奇数层,就去上面的一个偶数层,然后再往下走一层.
答案:因为9是奇数.
even偶数
odd奇数