A severe disorder of childhood characterized by withdrawal, preoccupation with fantasy, language impairment, and abnormal behavior, such as ritualistic acts and excessive object attachment.

一种发生于婴幼儿时期的严重心理紊乱，表现为内向、沉溺于奇怪的念头之中，语言能力较差，举动行为异常，如动作仪式化和过分喜爱某种物体。

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This may cause stomach upset, ulcers, headache, backache, high blood pressure, and in severe cases, this can lead to panic attacks or a panic disorder.

这可能会引起胃部不适、溃疡、头痛、背痛、高血压，甚至在严重的情况下，这可能导致惊恐发作或惊恐障碍。

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Alzheimer's disease is a severe neurodegenerative disorder of the brain that is characterized by loss of memory and cognitive decline.

老年痴呆症是一种十分严重的大脑神经变性失调症，其特点是记忆丧失和认知衰退。

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to severe asthma. The other boys and girls had milder forms of the breathing disorder.

VOA: special.2009.01.13

Since leaving the council, Mrs Laird has been diagnosed with severe depression, post-traumatic stress disorder, severe panic disorder, and agoraphobia, all caused by workplace stress.

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Experts said he was suffering from a severe behavioural disorder with psychopathic tendencies.

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She did not think her son's allocated school, Thomas Wolsey, offered adequate support for his severe speech disorder and wanted him to go to St Mary's.

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