○○○ pneumonia ⪢⪢
In December 2019, there was a cluster of pneumonia cases in China. Investigations found that it was caused by a previously unknown virus, now named the 2019 Novel Coronavirus.
http://qindex.info/i.php?x=7218

○○○ 09~12 September, October, November, December ⪢⪢
http://qindex.info/i.php?x=10535

○○○ #TOEIC 11 ⪢⪢
When are you planning to go on vacation?┆It's near a lake.┆In December.┆For two weeks.
http://qindex.info/i.php?x=28700

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