大约两小时
They waited for about two hours.
他们等了大约两个钟头。
Voting began about two hours ago.
投票开始于约两个小时前。
The journey was reckoned to take about two hours.
路上估计要花大约两个小时。
The fighting broke out about two hours after sundown.
战斗在日落后大约两小时打响了。
It took me about two hours to pluck up the courage to call.
大约两小时后我才鼓起勇气打了电话。
"about two hours" 是一个表示时间范围的短语，具体含义为：
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注意：该短语仅用于时间段，不可与具体时间点（如2:00 PM）连用。若需表达时间点，需改用其他结构，例如 "at about two o'clock"。
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