vacuous

adj．发呆的，无意义的,空的,空虚的,心灵空虚的

uvula, V, V (also v), V and A, V, v, v.=inquire, vac, vacacy, vacancy, vacant, vacant possession, vacate, vacation, vaccinate, vaccination, vaccine, vaccum cleaner, vacillate, vacillation, vacuity, vacuously, vacuousness, vacuum, vacuum cleaner, vacuum pump, vacuum tube (US) (Brit radio valve), vacuum-packed, vade-mecum, vagabond, vagary, vagina, vaginal, vagrancy, vagrant, vague, vaguely, vagueness, vain, vainglorious, vainglory,