Immunocompromised
a. 免疫系统受损伤[削弱]的
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
What is the longest river in this country?
这个国家最长的河是什么？
Let's do that.
那就这么说定吧？