Typical symptoms of mercury poisoning include mental retardation, loss of balance, tremors, blindness and loss of hearing.

水银中毒的典型症状包括精神迟缓，平衡失调，颤抖，失明，失聪。

Even the mild variety has symptoms that include abnormal skeletal development and, sometimes, slight mental retardation.

即使是温和一点的，也会引发许多症状，包括骨骼发育异常，有时还会有轻度精神发育迟滞。

Rouhani called the move idiotic and said the White House was afflicted by mental retardation and does not know what to do.

鲁哈尼称这一制裁" 愚蠢至极" 并表示白宫" 有智力障碍，根本不知道该怎么做" 。

Mrs. Shriver said that the Special Olympics proved a very important fact: that exceptional children with mental retardation can be exceptional athletes.

患有智力障碍的特殊儿童可以是很棒的运动员。

In a televised address, his audience laughed as he mocked the White House and said it is " afflicted by mental retardation" .

在电视发言上，鲁哈尼嘲笑了白宫，并称白宫正被智障疯狂折磨，引得观众哄然大笑。

Genetic disorders that affect body chemistry are called inborn errors of metabolism. Some forms of mental retardation are hereditary.

微生物怎样侵入人体？人类生活在一个有许多其他的生物竞争食物和地盘来繁衍的世界。

They understand this process well enough to intervene, to test newborns, for example, and treat them for a genetic condition that used to lead to mental retardation.

他们非常了解这个过程， 可以进行干预， 例如对新生儿进行测试，并对他们治疗曾导致智力低下的遗传病症。

In this case, autistics have the same but more severe symptoms, along with certain other developmental disorders, a very low IQ, loss of cognition, speech, antisocial behaviors and mental retardation in extreme cases.

在这种情况下，自闭症患者有相同但更严重的症状，以及还有一些其他发育障碍，非常低的智商，认知能力、语言能力丧失，反社会行为，在极端的智力低下。