有暴露于辐射的风险。

There is a risk of ___exposure to radiation.

现在许多年幼的孩子在家中有接触电脑的机会。

Many young children now have ___exposure to computers in the home.

由于在整个旅行中暴露于低温，我患上了肺炎，抵达伦敦时不得不入院。

Due to ___exposure to low temperatures throughout the tour I developed pneumonia and had to be admitted to hospital on arrival in London.