Cd4
abbr. CD4细胞；CD4抗艾滋病药（Cluster of Differentiation 4）
🗣️ 情景例句
It was very windy last fall.
去年秋天总刮风。
Yes.It looks terrific!
很合身，看上去好极了。
Oh, that's my father!
噢，那是我爸爸。