Immunodeficiencies
(immunodeficiency 的复数) n. 免疫缺陷, 免疫缺损
🗣️ 情景例句
Talk it over. Think it over. Let me know by the end of the week.
好好地谈一谈。好好地想一想。这个周末以前让我知道你的决定。
You're not yourself today.
你今天不太对劲。
No one noticed the boy as he crept off.
当男孩从船里爬出来时，谁也没有发现他。