For the most part, wrinkle lines are due to sun exposure and age.
在大多数情况下，皱纹是由于日晒和年龄造成的。
避免阳光照射。
Get enough sun exposure, he says, and skin will wrinkle long before its time.
在阳光下暴露足够久，皮肤的皱纹就会出现得早得多。
Excessive sun exposure in children is likely to contribute to skin cancer in later life.
儿童过度暴露于日光，以后很可能罹患皮肤癌。
What can proper sun exposure do for you?
适量照射太阳光对你有什么好处呢？
To prevent skin cancer you should avoid direct sun exposure.
你应避免阳光直射以预防皮肤癌。
Also, skin doctors warn people to be careful with sun exposure.
同时，皮肤科专家提醒人们不要过分暴露在日晒环境下。
Prolonged sun exposure can cause blistering, a second-degree burn.
长时期的曝晒会引起水泡，一种二度烧伤。
In dark skin, sun exposure can cause pigmentation and splotchiness.
对于黝黑的皮肤，阳光照射会导致色素沉着。
This double wall protects the teaching facilities from sun exposure.
这面双层墙体保护教学设施免受阳光直射。
Bath, shower or sun exposure will not affect its insecticidal effect.
洗澡、淋雨或日晒都不会影响杀虫效力。
What can you do to prevent these undesirable side effects from sun exposure?
那么你能做些什么才能防止日照所产生的负面效应？
Storage in a dry, ventilated place under normal temperature. Avoid direct sun exposure.
在常温、干燥通风处密封保存，避免阳光照射。
Limitations to this study include the cross-sectional design and self-report of sun exposure.
此项研究的局限性包括横向设计及自我报告日晒情况。
Sun exposure affects everyone.
阳光照射影响每个人。
Sun exposure was scored from 0 (avoiding sun) to 4 (highest exposure).
日照程度被划分为0（避免日晒）至4分（日晒程度最高）。
Sun exposure can also cause more-serious problems, such as skin cancer.
同时阳光的照射还能引起严重的问题，像皮肤癌。
Sun exposure can also cause more-serious problems, such as skin cancer.
同时阳光的照射还能引起严重的问题，像皮肤癌。
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