Constant exposure to English is a must if you want to master the language.

多多接触英文是想要精通这个语言的不二法门。

Noise-induced hearing loss happens when you have constant, repeated exposure to sounds that are at a dangerous level.

当您持续、反复接触处于危险水平的声音时，就会发生噪音引起的听力损失。

Constant exposure to our environment, the things we eat, and stresses from both inside and outside our bodies all cause us to age over time.

不断暴露在我们生活的环境中、我们吃的东西、以及来自身体内外的压力都会随着时间的推移导致我们衰老。

After all, some 85% of households in America now subscribe to some sort of pay television, and almost 70% have broadband and thus face constant exposure to cursing and smut.

毕竟，美国大约85%的家庭现在都订阅了某种方式的付费电视；几乎70%的家庭拥有宽带，从而不断的接触粗口和淫秽内容。