fragility of blood vessels

例句：

1. 1.The glass is fragile and needs to be handled with care.
   这个玻璃很脆弱，需要小心处理。
2. 2.The old painting has a fragile fragility that makes it valuable.
   这幅旧画的脆弱性使它变得非常珍贵。
3. 3.The fragile ecosystem of the coral reefs is under threat from climate change.
   珊瑚礁脆弱的生态系统正受到气候变化的威胁。