形容词
中文翻译：迟缓的
同义词：
['slow', 'sluggish', 'tardy例句：1. The child is retarded in his speech development.（这个孩子在言语发展上是迟缓的。）']
例句：
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1. The child is retarded in his speech development.
这个孩子在言语发展上是迟缓的。
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2.The team's performance was slow and uncoordinated.
团队的表现缓慢且不协调。
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3. The project was delayed due to the lack of resources.
由于资源不足，该项目被推迟了。