HHH

US ['etʃ'etʃ'etʃ]
UK ['etʃ'etʃ'etʃ]
  • na.(铅笔) double- (treble-)hard
  • Web海姆斯勒(Hunter Hearst Helmsley)
na.
1.
(铅笔) double- (treble-)hard
2.
“HH”的变体