n. 听筒；电话（phone的复数）

n electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds

n (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language

n electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear

v get or try to get into communication (with someone) by telephone