in delicate health

What to do with Wendy in her present delicate state of health?

温迪现在身体虚弱，怎么办呢？

Her family were of a delicate constitution: she and Edgar both lacked the ruddy health that you will generally meet in these parts.

她一家都是体质脆弱的人：她和埃德加都缺乏你在这一带地方常可以见到的健康的血色。

Scientists are not sure how ultrasound may harm health but one possibility is that it disturbs the delicate balance sensors in the ear, confusing the brain and calling seasickness-like symptoms.

科学家尚不确定超声波会如何损害健康，但它有可能会影响耳朵中精密的平衡感应器，令大脑感到“困惑”，从而引发各种眩晕恶心症状。