Usr
abbr. 不加热血清反应素玻片试验（Unheated Serum Reagin）；用户服务例行程序（User Service Routine）；美国机器人公司（U.S. Robotic）
🗣️ 情景例句
He's the sweetest little thing.
他是最可爱的小家伙。
Children are the parents' riches.
子女是父母的至宝。
We had lost the path and had no hope of finding it again.
我们找不到那条小路，而且也没有希望再找到它了。