Rav
abbr. 瑞星杀毒软件；右心房容积（Right Atrial Volume）
🗣️ 情景例句
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
Who wrote that song?
那支歌曲谁写的？
That was quick!Have you finished already?
好快啊！你已经浇完了？