1
all year round
作时间状语，通常置于句末。
The resort is open all year round.
这个度假胜地全年开放。
一年到头
先理解核心含义，再看它在真实句子里的用法。
一年到头
throughout the entire year
The resort is open all year round.
这个度假胜地全年开放。
The weather here is warm all year round.
这里一年到头天气都很暖和。
He works hard all year round to support his family.
他一年到头努力工作以养家。
This restaurant is open all year round, even on holidays.
这家餐厅一年到头都营业，即使在节假日也不例外。
作时间状语，通常置于句末。
The resort is open all year round.
这个度假胜地全年开放。
修饰动词，表示持续不断。
They work all year round to support their family.
他们一年到头工作来养家。
Not this
The weather is all year round warm.
Use this
The weather is warm all year round.
在英语中，副词短语 'all year round' 通常放在所修饰的形容词之后，而不是之前。
Not this
All year round is very hot.
Use this
It is very hot all year round.
'all year round' 是副词短语，不能作主语。应该用 'it' 作主语，再跟形容词和副词短语。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use all year round naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
固定短语，用作时间状语，意为“一年到头”。
Dictionary facts from BridgeDict normalized sources.