Recent studies conducted by doctors show that excessive exposure to the sun's rays causes skin cancer.

最近医生所做的研究表明：过度暴露在阳光下会致癌。

Recent studies conducted by doctors show that excessive exposure to the sun's rays causes skin cancer .

最近医生所做的研究表明：过度暴露在阳光下会致癌。

Avoid excessive exposure to sunlight or other sources of ultra-violet light.

尽量避免日晒和其他紫外线来源。

Avoid excessive exposure to sunlight or other sources of ultra - violet light.

尽量避免日晒和其他紫外线来源.

There is strong evidence that excessive exposure to UV radiation during childhood and adolescence is a risk factor for developing skin cancer later in life.

有大宗的原料显示，在童年和期接触也许露在紫外线下会为以先生中繁荣皮肤癌的一个危险分。

There is strong evidence that excessive exposure to UV radiation during childhood and adolescence is a risk factor for developing skin cancer later in life4.

有大批的原料显示，在童年和期接触或许揭穿在紫外线下会为以先生中开展皮肤癌的一个危险身分。