Hav
abbr. 甲型肝炎病毒（Hepatitis A virus）；热空气硫化（Hot Air Vulcanization）
🗣️ 情景例句
Yes, indeed.
对 ，正需要。
All she cares about is her social life.
她关心的只是她的社交活动。
He explained that he had tried to fix the air-line to the supply line that ran round the port but could not because the fittings did not match.
他解释说他想供气管安装到铺设在码头周围的供应管上，但因为接头不相配而接不上。