1·Sunblock should be reapplied every hour.
防晒霜应每隔一小时再抹一次。
—— 《牛津词典》
2·She had applied a thick layer of sunblock on her face to keep the sun from burning her snow-like skin, but she seemed to be toasting.
她白雪似的肌肤上敷了一层厚厚的防晒霜，可是她看起来像是做过日光浴。
3·The "sunshine vitamin" is synthesized in our skin when we are exposed to direct sunlight, but sunblock impedes this process.
维他命d这种“阳光维他命”是我们晒太阳时，在皮肤中合成的一种物质，但防晒霜会阻碍这一过程的发生。
4·Protect your skin from the sun all year round with a sunblock with an SPF of 30 or greater.
常年使用SPF30或防晒系数更高的防晒霜来保护皮肤。
5·What is good for her skin? The sunblock she carries around in her beauty bag.
那么什么对她的皮肤好呢？放在她漂亮的手提包里随身携带的防晒霜。