Hbv
abbr. 高碼率視頻（High Bit Rate Video）；乙型肝炎病毒（hepatitis B virus）
??? 情景例句
I haven't seen you for a long time.
很久沒見了。
Circumstances are therulers of the weak, instrument of the wise.
弱者困于環(huán)境，智者利用環(huán)境。
It was half past four. Everything was ready.
一切都準備好。