hh
FREQ #49773
abbr. 倍硬（指铅笔心硬度 double- hard）；半硬的（Half Hard）；重氢, 氚（Heavy Hydrogen）；高功率不定向无线电归航信标（High-powered, non-directional radio homing beacon）；殿下（His Highness）；陛下（His Holiness）；阁下, 先生（His Honour）
词形变化
only
复数
释义与例句
n.
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1.
Abbreviation of hands (one hand being four inches).
仅复数
interj.
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1.
Synonym of hhh (“a sigh; laughter”).