Rav
abbr. 瑞星杀毒软件；右心房容积（Right Atrial Volume）
🗣️ 情景例句
No. Please endorse the check at the back.
不会的。请在支票的背面签名。
I'm Barnard and it's my great honor to tell you about our new product.
我叫巴纳德，能够向你们说明我们的新产品，我感到非常荣幸。
He didn't often go to look for food himself.
他不经常自己去寻找食物。