[C] 嗓音,说话声,歌唱声sounds formed in the larynx and uttered through the mouth, especially by a person speaking or singing
[U] (口头或书面的)意见等,发言权,影响(right to express one's) opinion, etc. in spoken or written words, influence
[S] (动词的)语态contrast between a sentence in which the doer of action is subject (active) and one in which the person or thing affected is subject (passive)