Keyword explanation:
1, dial
Turntable; Dial; Clock dial
dial
Call ...
Bilingual example:
He turned the knob of the radio.
He turned the tune button on the radio.
2. Busy
Busy; Lively; Occupied
Keep busy
Bilingual example:
He is busy with the camera.
He is busy fiddling with this camera.
Usage of busy:
Busy as an adjective means busy, which usually means that people are often or temporarily immersed in a job, implying enthusiasm. Busy means you can decorate something or something when you are busy and busy.
Busy can be used as an attribute or predicative in a sentence. When used as a predicative, it can usually follow a phrase consisting of prepositions about, at, in, over and with. These prepositions can sometimes be omitted, especially when their objects are gerunds. When used in too structure, Busy can be followed by infinitive.
Busy can be used as both a transitive verb and an intransitive verb. When used as a transitive verb, it is usually followed by oneself, which often means to keep oneself busy with something.