空调

air conditioning / air conditioner (including units that have a heating mode) / CL:臺|台[tai2]

empty / air / sky / in vain

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

to transfer / to move (troops or cadres) / to investigate / to enquire into / accent / view / argument / key (in music) / mode (music) / tune / tone / melody

to harmonize / to reconcile / to blend / to suit well / to adjust / to regulate / to season (food) / to provoke / to incite