一个句子~WHEN和WHILE得转换Shen None discovered tea when he was boiling the drinking water over an open fire.这里面得WHEN能不能换成WHILE~为什么?

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一个句子~WHEN和WHILE得转换ShenNonediscoveredteawhenhewasboilingthedrinkingwateroveranopenfire.这里面得WHEN能不能换成W

一个句子~WHEN和WHILE得转换Shen None discovered tea when he was boiling the drinking water over an open fire.这里面得WHEN能不能换成WHILE~为什么?
一个句子~WHEN和WHILE得转换
Shen None discovered tea when he was boiling the drinking water over an open fire.这里面得WHEN能不能换成WHILE~为什么?

一个句子~WHEN和WHILE得转换Shen None discovered tea when he was boiling the drinking water over an open fire.这里面得WHEN能不能换成WHILE~为什么?
when 和while都可以引导时间状语从句.when 引导的从句谓语动词既可以是延续性动词也可以是非延续性动词,但while引导的从句谓语动词只能是延续性动词.