a nationwide + 名词
作定语时放在名词前，常与单数可数名词或不可数名词搭配。
The company launched a nationwide advertising campaign.
这家公司发起了一场全国性的广告宣传活动。
遍及整个国家的；在一个国家或民族中发生或延伸；全国性的；[法] 全国的；全国范围的
遍及整个国家的
Extending throughout an entire nation.
在一个国家或民族中发生或延伸
occurring or extending throughout a country or nation
The company launched a nationwide advertising campaign to promote its new product.
该公司发起了一场全国性的广告宣传活动来推广其新产品。
用法提示：nationwide作形容词修饰campaign，表示活动覆盖全国。
AI contextual example
A nationwide survey found that most people prefer working from home at least two days a week.
一项全国性调查发现，大多数人更喜欢每周至少两天在家办公。
用法提示：nationwide修饰survey，说明调查范围遍及全国。
AI contextual example
The charity organized a nationwide collection of winter clothes for the homeless.
该慈善机构组织了一次全国性的冬衣募捐活动，帮助无家可归者。
用法提示：nationwide作形容词修饰collection，强调募捐活动在全国范围开展。
AI contextual example
作定语时放在名词前，常与单数可数名词或不可数名词搭配。
The company launched a nationwide advertising campaign.
这家公司发起了一场全国性的广告宣传活动。
作表语时跟在 be、become 等系动词之后，用来说明主语涉及的范围。
The teacher shortage has become nationwide.
教师短缺已经蔓延到全国。
grammar · medium
易错句子The nationwide flag was raised at sunrise.
正确表达The national flag was raised at sunrise.
national 表示“国家的、代表国家的”，用于国旗、国歌等属于国家本身的事物；nationwide 只表示“遍及全国的”这一范围，不能修饰国旗。此处要说的是国旗的归属，须用 national。
grammar · medium
易错句子The new law applies nationwide across the whole country.
正确表达The new law applies nationwide.
nationwide 本身已经含有“遍及全国”的意思，后面再加 across the whole country 属于语义重复。删去重复的范围状语后，句子意思完全不变，表达更简洁。
全国性调查
The government conducted a nationwide survey on mental health.
政府对心理健康进行了一项全国性调查。
全国范围的搜查
Police launched a nationwide search for the missing child.
警方对失踪儿童展开了全国范围的搜查。
全国性活动
The charity launched a nationwide campaign to raise funds.
该慈善机构发起了一项全国性的筹款活动。
全国性报道
The event received nationwide coverage on television.
该活动在全国电视上得到了报道。
全国性短缺
There is a nationwide shortage of qualified teachers.
全国范围内合格教师短缺。
全国性罢工
The union called a nationwide strike over pay cuts.
工会因减薪号召举行全国性罢工。
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