🧩 词语组成解析
abbr. CD4细胞；CD4抗艾滋病药（Cluster of Differentiation 4）
cell
[sel]
n. <生>细胞;小牢房;电池;<诗>墓穴;
vi. 住在牢房或小室中;
vt. 囚禁;
🗣️ 情景例句
Oh, it's so pretty!
噢，它好漂亮！
I'll go on an outing with some friends.
我与朋友去郊游。
I am afraid that l have to go.
我要走了。