Are there symptoms or red flags parents, coaches and others should be on the lookout for that signal a young person is at high risk of sudden cardiac death?

有没有一些症状或信号可以让家长，教练或他人知道某个年轻人正处于猝死的危险中呢？

youdao

Picnic under swamp mahoganies and red gums and take in scenic lookout and rich bird and wildlife.

在大叶桉树和赤桉树的树荫下野餐，饱览自然景色以及大量的鸟类和野生动物。

youdao

High on a hill, crowning the turquoise- and red-roofed homes across the waterfront, sat a stone fort that was once a lookout for pirates.

WSJ: Nicaragua's San Juan River by Boat