Rav
abbr. 瑞星杀毒软件；右心房容积（Right Atrial Volume）
🗣️ 情景例句
Why are you back so early?
你们怎么这么早回来？
It's going to rain this afternoon.
今天下午好像要下雨。
George was not too upset by his experience because the lady who owns the sweet shop heard about his troubles and rewarded him with large box of chocolates.
不过，此事并没使乔治过于伤心，因为糖果店老板娘听说了他遇到的麻烦后，赏给他一大盒巧克力。