preexisting是什么意思,preexisting怎么读,
1.No one is going to force children with preexisting conditions back off their parents' health plans.
谁都不会强迫还未出世的后代取消自己父辈的医疗计划。
2.Any change in the shape, color, or size of a preexisting nevus should raise concern.
先前就存在的痣出现形状、颜色或大小的任何改变就应当引起重视。
3.Those creative statements confronted preexisting traditions and challenged conventional artistic norms.
这些具有创意的作品们直面旧有的传统也挑战常规的艺术形式。