Cd4
abbr. CD4细胞；CD4抗艾滋病药（Cluster of Differentiation 4）
🗣️ 情景例句
Tell him, Philip.
告诉他， Philip。
How much is a bus ticket?
公共汽车票要多少钱？
Collecting small items can easily become a mania.
收集小玩艺儿很容易着迷。