can的主语是谁?
Primary vaccines typically develop a low-level viraemia, which abates as anti-yellow virus immunoglobulin M (IgM) antibodies develop 4 to 7 days post-vaccination and can persist for several years following vaccination.
can的主语是谁?从上下意思可看出应是抗体,但从这个句子中能看出是抗体吗?从句子看出应是which,即病毒血症,一边说它 abate,s 一边说它persist,这不矛盾吗?
最后编辑于 2022-10-09 · 浏览 1246