Immunogen
n. 免疫原
🗣️ 情景例句
In that case, it's OK.
这么说 我就去。
Cowards are cruel.
懦夫不仁。
The cry had certainly come form one of the chimneys, but as there were so many of them, the fire fighters could not be certain which one it was.
喊叫声肯定是从烟囱里传出来的，然而，因为烟囱太多，消防队员无法确定到底是哪一个。