Rav
abbr. 瑞星杀毒软件；右心房容积（Right Atrial Volume）
🗣️ 情景例句
I was in the smoking section.
我原本坐在吸烟车厢的。
You'd better see a doctor about that stomachache.
你胃痛最好去看医生。
Where he made mistakes, he admitted these willingly.
无论在哪里犯了错误，他都乐于承认。