1.“pre-existent”的变体
1.used for describing something that already existed before something else started
1.The variant of pre-existent
1.If your child has a preexisting condition, insurance companies, starting this year, will not be able to deny those children coverage.
假如你的孩子有保险排除条件，保险公司在第一年将不会拒绝孩子们的保险项目了。
2.Conclusions: Dedifferentiated chondrosarcoma arising in a preexisting osteochondroma is an extremely rare lesion with a poor prognosis.
结论：由骨软骨瘤转化的去分化软骨肉瘤非常少见，预后较差。
3.During the Himalayan period, fold and superimposed deformation had been happened, and cased preexisting structure reformed.
喜山期发生褶皱叠加并进一步改造先期构造。
4.First, with base complementary, each preexisting DNA strand acts as a template for the production of a new complementary strand.
首先，对基础互补，每个既存股DNA作为一个模板，以新互补的生产困。
5.The higher rate of fatal cardiovascular events with olmesartan among patients with preexisting coronary heart disease is of concern.
值得注意的是在有冠心病史的患者中，奥美沙坦引起的致死性心血管事件发生率较高。
6.These are often referred to as "super liens" , since they may take priority over preexisting liens as well as later ones.
这些常被称为“最高留置权”，因为他们超过了先前的留置权，也超过了后来的留置权。
7.The evolution of preexisting nano-voids in single crystal copper is investigated by means of molecular dynamics (MD) simulations.
利用分子动力学方法研究了单晶铜中球形空洞在冲击波下的演化过程。
8.After all, the same neurological structures are damaged by the fate of trauma, although in a preexisting narrower environment.
虽然它是在先前狭窄的环境下受损，但毕竟创伤导致的是相同的神经结构受损。
9.He also said he supports a requirement that health plans not reject coverage based on preexisting medical conditions.
他还说，他支持这个要求，卫生计划不是否定了以前存在的卫生状况的（相对不足）覆盖面。
10.Preexisting micronutrient (vitamins and trace elements) deficiencies are often present in hospitalized patients.
住院患者经常出现微量营养素（维生素和微量元素）缺乏。