Khf
[医][=killer cell helper factor]杀伤细胞辅助因子
🗣️ 情景例句
How nice it is here.
这儿真不错。
What's Hong Kong famous for?
香港以什么闻名？
What is more, they will not have to rely solely on the written word.
而且，也不必完全依赖文字材料。