Immunogens
(immunogen 的复数) n. 免疫原
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
The class made noticeable improvement.
这班有明显的进步。
We informed him that the fissure extended for fifty years and was tow feet wide and four feet deep.
我们告诉他那个大裂缝长50码，宽2英尺，深4英尺。