Hvd
abbr. high-velocity detonation 高速爆炸; hypertensive vascular disease 高血壓性血管疾病
??? 情景例句
Come in, come in. Please, come in.
請進， 請進。請進來。
OPPS!
哇！
She is poor but quite respectable.
她雖窮，人品卻很端正。