Hav
abbr. 甲型肝炎病毒（Hepatitis A virus）；热空气硫化（Hot Air Vulcanization）
🗣️ 情景例句
OK. I'll take that one.
好，我就要这一辆。
May I ask you a question?
我能问你个问题吗？
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。