Seronegativity
血清阴性
🗣️ 情景例句
U2 are touring here in October, and I hear they put on quite a show.
U2 八月份将来这里做巡回演出，我听说他们的表演很卖力。
Every pleasure has a pain.
乐中必有苦。
Audiences in the second decade of the twentieth century found it pleasant to escape to a time when life, though hard, was relatively simple.We still do;
生活在20世纪20年代的观众认为，逃到一个即使艰苦但比较简朴的时代中去是件愉快的事，我们今天仍有这种感觉。