Rav
abbr. 瑞星杀毒软件；右心房容积（Right Atrial Volume）
🗣️ 情景例句
I made a pig of myself.
我吃得像一头猪！
How much is a bus ticket?
公共汽车票要多少钱？
He likes working in China very much.
他很喜欢在中国工作。