🧩 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
John is tied up at the present time.
John现在有事。
A flow of words is no proof of wisdom.
口若悬河不能作为才智的证明。
That was very nice.
太好了。