sun,太阳，screen,屏风，挡板。比喻用法。

1. Re-apply sunscreen every two hours, especially if you have been swimming.

每两个小时重新涂一次防晒油，尤其是在游泳的时候。

2. Sunscreen can lose its potency if left over winter in the bathroom cabinet.

如果把防晒霜在盥洗室的壁橱里放一个冬天，就有可能失效。

3. I use a sunscreen whenever there is even a remote possibility that I will be in the sun.

不论何时只要有一点可能暴露在阳光下，我就会用防晒霜。

4. I applied sunscreen with SPF 30 and took out my silk - padded quilt to the roof.

我涂上防晒指数三十的润面霜,把 丝棉 被拿到天台晒.

5. Experts advise that sunscreen should be reapplied on an hourly basis.

专家建议防晒霜应该每小时都小时都重新重新涂抹.