Perceived cause: Physical and psychological stress, exposure to toxic elements
可知成因：身心压力，接触有毒元素
"Coupled" may mean that two or more elements are in direct physical or electrical contact.
“耦合的”则意味着两个或多个元件直接物理或电接触。
"Coupled" may mean that two or more elements are in direct physical or electrical contact.
“耦合的”则意味着两个或多个元件直接物理或电接触。
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