Immunodeficiency
n. 免疫缺陷, 免疫缺损
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
Never trust of fine words.
切勿轻信漂亮的言词。
The one behind my mother?
在我妈妈后边的那个吗？