传染性单核细胞增多

Chronic fatigue syndrome is most commonly triggered by an acute illness, like glandular fever, and it is the severity of this illness that decides whether you will develop the syndrome, the research found.

研究发现，慢性疲劳综合症最常见的触发因素是像传染性单核细胞增多症等的急性病，这种急症的严重性决定了人们是否会患上慢性疲劳综合症。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。