Some food items, beef steak for instance, come pre-sterilised with ionising radiation, which helps prevent spoilage.

有些食品，例如牛排，经过电辐射消毒，这么做有助于防止食物变质。

The invisible magnetosphere shields us from the dangerous ionising radiation of space.

看不见磁层保护我们免受危险太空电辐射。

Another big problem is that space is brimming with ionising radiation that rips DNA to shreds.

另一个大问题太空充满电辐射，将 DNA 撕成碎片。

Irradiated foods: meat and dairy produce have ionising radiation applied to them before packaging.

辐照食品：肉类和奶制品在包装前会进行电辐射处理。

These days, however, the main source of ionising radiation for most people is neither fallout from bombs nor radiotherapy; it is dental X-rays.

然而，现今影响大多数子辐射主要源头既不原子弹辐射尘埃也不放射疗法，而牙科X光。

Ironically, because past research studying the after-effects of exposure to things like atom bombs and radiation treatments for cancer suggests the most important environmental risk factor for meningiomas is ionising radiation.

讽刺，对体暴露于类似原子弹辐射和癌症放射疗法后续影响研究显示，产生脑膜瘤最主要环境风险因素子辐射。