Khf
[医][=killer cell helper factor]杀伤细胞辅助因子
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久?
I guess I've outgrown this pair of trousers.
我想这条裤子对我来说小了。
But people are often reproached for unpunctuality when their only fault is cutting things fine.
但有些人不准时常常因为掐钟点所致,
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