🧩 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
Ask Paul Smith to fill in for me.
叫Paul Smith代替我出席。
He went to the post office to mail a letter.
他去了邮局寄信。
Cooked in wine, snails are a great luxury in various parts of the world.
蜗牛加酒烧煮后，便成了世界上许多地方的一道珍奇的名菜。