Cd4
abbr. CD4细胞；CD4抗艾滋病药（Cluster of Differentiation 4）
🗣️ 情景例句
but I wanted this weekend to be special for you.
但我希望这个周末对你来说很特别。
A cracked bell can never sound well (is never sound).
破钟无好音。
Are you a visitor here?
你是来这里旅游的吗？