Ectophylaxination
被动免疫, 外来免疫
🗣️ 情景例句
They are above average 85. I'm among the upper third of my class.
我的平均成绩在85分以上。我是全班第三名。
She was not in the slightest surprised.
她一点也不吃惊。
We really need that material, you know.
你知道，我们急着需要那批材料。