preexist
「preexist」的意思
vi. 先前存在; vt. 先于……存在
v.先前存在
「preexist」的用法
preexist存在；预先存在 - 在会议开始前，他已经预习了所有内容。
「preexist」的例句
The disease preexisted in the population before the vaccine was developed.
在疫苗开发之前，该疾病已经在人群中存在。
The preexisting condition made it difficult for her to participate in the competition.
她现有的状况使她很难参加比赛。
The preexisting relationship between them made it easier for them to work together.
他们之间的现有关系使他们更容易合作。
The preexisting infrastructure made the construction project feasible.
现有的基础设施使该项目可行。
The preexisting tensions between the two countries were a major obstacle to peace negotiations.
两个国家之间的现有紧张关系是和平谈判的主要障碍。
The preexisting knowledge of the students helped them understand the new material more easily.
学生现有的知识帮助他们更容易理解新内容。
The preexisting conflict between the two groups threatened to escalate into a full-blown war.
两个群体之间的现有冲突有可能升级为全面战争。
The preexisting medical condition made it necessary for him to take special precautions.
他现有的医疗状况使他有必要采取特别的预防措施。
The preexisting agreement between them was binding and could not be changed.
他们之间的现有协议具有约束力，不能更改。
The preexisting infrastructure made it possible for them to build a new factory.
现有的基础设施使他们有可能建造一个新的工厂。