Uid
abbr. 用户名（User Identifier）；用户界面设计（User Interface Design）
🗣️ 情景例句
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
Two or three of them look familiar.
我认识他们中的两三个。
But that was not all.
它一再重复这些圆圈。