altos is alto's Plural Form

alto

US [ˈæltoʊ]
UK [ˈæltəʊ]
  • n.女低音;女低音声部;中音声部
  • adj.中音的
  • Web图斯;图斯电脑公司;图斯计算机公司
Plural Form:altos  
altos
n.
1.
[c]
女低音;女低音声部a singing voice with a lower range than that of a soprano ; a person with an alto voice
2.
[sing]
中音声部a musical part that is written for an alto voice
adj.
1.
[obn]
中音的with the second highest range of notes in its group
an alto saxophone
中音萨克斯管

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard