Seronegative
[医] 血清反应阴性的
🗣️ 情景例句
I can tell.
我能觉察到。
Happy is he who knows his follies in his youth.
记得青年时所做的愚笨事的人是幸福的。
But when table, penholder and paper are all moving, how is it possible to write legibly?
可是，当桌子、夹笔装置、纸都在移动时，怎么能书写得清楚呢？