Preexists
v. 先前存在( preexist的第三人称单数 )
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
The school awarded Merry a prize for her good work).
学校因为她工作好而奖励了梅丽。
As there were strange marks on the X-ray plates taken of the mummy, doctors have been trying to find out whether the woman died of a rare disease.
由于在给这个木乃伊拍摄的X光片子上有点奇怪的斑点，所以，医生们一直试图搞清这位妇女是否死于一种罕见的疾病。