It may not seem like a serious problem but persistent grinding and putting pressure on your pearly whites can lead to shortening and ruining of the teeth as well as joint problems later on.
也许那看上去不是什么大问题，但长时间的磨牙、持续对你的一口白牙齿施压会和下面要提的一些问题一样，减少牙齿寿命、破坏牙齿健康。
Serious eye strain can lead to persistent headaches, muscle pain in the head, neck and upper back, as well as long term problems like myopia.
严重的眼疲劳会导致长期的头痛，头部，颈部和上发背的肌肉疼痛，也可能会引起一个长期的问题近视。
The adverse impact of persistent organic pollutants, or POPs as many of the pesticides are known, on the environment and health are serious.
有机污染物（或许多被称为POP的杀虫剂）对环境和健康造成严重的持续负面影响。
Sore throat Warning: severe or persistent sore throat or sore throat that occurs with high fever, headache, nausea, and vomiting may be serious. Ask a doctor right away.
咽痛警告：加重或是持续的咽痛，或咽痛导致高烧，头痛，呕吐就是严重的情况，立即咨询医生。
Sore throat Warning: severe or persistent sore throat or sore throat that occurs with high fever, headache, nausea, and vomiting may be serious. Ask a doctor right away.
咽痛警告：加重或是持续的咽痛，或咽痛导致高烧，头痛，呕吐就是严重的情况，立即咨询医生。
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