Cd4
abbr. CD4细胞；CD4抗艾滋病药（Cluster of Differentiation 4）
🗣️ 情景例句
Thank you, Mr. Lu. Please wait a moment while I check our reservations list.
谢谢，陆先生。请稍等，我查一下订房名单。
He is embarrassed because he made a mistake.
他因为弄错而显得很窘。
It is one of the ugliest faces I have ever seen.
这是我见过的最丑陋的头像之一。