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p. m.什么意思、怎么读?单词发音音标、相关例句、释义:n.下午,午后

p. m. 音标:['pi:'em]
n.下午,午后
  • until用于肯定句时表示"某动作直到……为止",如: They worked until 5∶00 P. M. 用于否定句中时意为"直到……才"。所以用于肯定句中要使用延续性动词,但截止性动词却可以用在否定句中。
    [误] We arrived home until it became dark.
    [正] We didn't arrived home until it became dark.
    [析] until用于肯定句时表示"某动作直到……为止",如: They worked until 5∶00 P. M. 用于否定句中时意为"直到……才"。所以用于肯定句中要使用延续性动词,但截止性动词却可以用在否定句中。

Come about six P.M.

下午六点左右来。

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