去年四月我们去了日本。
去年四月, 她受邀去了白宫。
在去年四月那六天的停飞期间,只有很少的飞机起降英国。
During last April's six-day shutdown only a handful of flights took off or landed in the UK.
in terms of quality. I know, for instance, that I wanted to go to see an exhibit last April,
就质量而言。例如,去年四月我想去看展览,
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