Khf
[医][=killer cell helper factor]杀伤细胞辅助因子
🗣️ 情景例句
He's hooked on cocaine.
他吸咖啡因上瘾。
Drugs were the death of him.
毒品断送了他的生命。
The child learning to see, first distinguishes only two-dimensional shape;
正在学看东西的儿童起初只会分辨二维形态，