/kju:b ||; kjub/verb [T] (mathematics数学) (usually passive 通常用于被动语态) to multiply a number by itself twice 将（某数）自乘两次；求立方: Four cubed (4³)is 64 (= 4 x 4 x 4). 4的立方（4^3）是64。 ☞Look at square ¹and cube root. 参看square^1及cube root。