四維空間

four-dimensional space (math.)

four / 4

the four social bonds: propriety, justice, integrity and honor / see 禮義廉恥|礼义廉耻[li3 yi4 lian2 chi3] / the four directions / the four limbs (Chinese medicine) / four-dimensional

abbr. for Uighur 維吾爾|维吾尔[Wei2 wu2 er3] / surname Wei

to preserve / to maintain / to hold together / dimension / vitamin (abbr. for 維生素|维生素[wei2 sheng1 su4])

empty / air / sky / in vain

to empty / vacant / unoccupied / space / leisure / free time

space / room / (fig.) scope / leeway / (astronomy) outer space / (physics, math.) space

between / among / within a definite time or space / room / section of a room or lateral space between two pairs of pillars / classifier for rooms

gap / to separate / to thin out (seedlings) / to sow discontent