This is the 13469th most frequent Korean word.
라디오를
"라디오를" means "radio" (object form).
In this sentence, '라디오를' functions as a direct object, receiving the action described by '듣는 것을'. It signifies 'the radio' as the object of listening.
나는 라디오를 듣는 것을 좋아해요.
I like listening to the radio.
Here, '라디오를' is the object of the action '두었어요' (placed). It refers to the radio that was moved to a location.
어제 산 라디오를 책상 위에 두었어요.
I placed the radio I bought yesterday on the desk.
In this sentence, '라디오를' represents the object desired to be acquired, complementing the verb '사고' (to buy).