The term 'mental illness' is difficult to define.
"精神病"这个词很难下定义。
英语解释：to say or explain what the meaning of a word or phrase is 解释(词语的含义)；给…下定义:
注：一词多义，单词一次只记一种意思即可。
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The term 'mental illness' is difficult to define.
"精神病"这个词很难下定义。
英语解释：to say or explain what the meaning of a word or phrase is 解释(词语的含义)；给…下定义:
注：一词多义，单词一次只记一种意思即可。
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