smoking前面需要加逗号吗
To protect a forest from fire smoking is prohibited.
你好，答案是“要加”。
To protect a forest from fire 是一个不定式短语，作目的状语，放在句首时要与主句分隔开。
To protect a forest from fire, smoking is prohibited.
译文： 为了保护森林免遭火灾，禁止吸烟。
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To protect a forest from fire smoking is prohibited.
你好，答案是“要加”。
To protect a forest from fire 是一个不定式短语，作目的状语，放在句首时要与主句分隔开。
To protect a forest from fire, smoking is prohibited.
译文： 为了保护森林免遭火灾，禁止吸烟。