1
be restricted to [noun phrase]
Access is restricted to authorized personnel only.
访问仅限于授权人员。
受限制的，有限的
先理解核心含义，再看它在真实句子里的用法。
受限制的，有限的
limited or controlled, especially by rules or laws
Access is restricted to authorized personnel only.
访问仅限于授权人员。
常指受规则或法律约束
受限制的
Limited within bounds.
仅限授权人群使用的
Available only to certain authorized groups of people.
Access to the building is restricted to authorized personnel only.
进入该建筑仅限于授权人员。
The doctor put her on a restricted diet to lower her blood pressure.
医生让她吃限制性饮食以降低血压。
Because of the injury, his range of motion was severely restricted.
由于受伤，他的活动范围受到严重限制。
Access is restricted to authorized personnel only.
访问仅限于授权人员。
He was restricted from leaving the country.
他被限制离开该国。
The inmates were restricted in their movements.
囚犯的行动受到了限制。
Not this
This area restricted to authorized personnel only.
Use this
This area is restricted to authorized personnel only.
汉语中形容词可以直接作谓语，但英语中形容词需要与be动词连用。'restricted'是形容词，需要be动词构成系表结构。
Not this
The company has a very restricted policy on phone use.
Use this
The company has a very restrictive policy on phone use.
'restricted'表示'受限制的'，而'restrictive'表示'限制性的'。政策本身是施加限制的，所以应用'restrictive'。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
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