大约两个小时过
About two hours passed
以上为机器翻译结果，长、整句建议使用 人工翻译 。
当时我们正在飞机上，大约有两个小时的空闲时间。我本来估计过一遍乘法表可能需要20分钟。
We were on a plane and had about two hours to kill. I figured running through the twos to the twelves would take about 20 minutes.
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