在十二月上旬新一个宇航任务前，这个“任务清单”上最后一项主要任务。

It's the last major task on the "to-do list" before the next shuttle mission in early December.

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要知道，在一月上旬的时候，HGNSI还是60.9%，而再早一些的去年十二月，这一情绪指标一度高达68%。

In early January, in contrast, the HGNSI stood at 60.9%. And last December this sentiment index got as high as 68%.

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学校假期主要集中在白天长天气温暖的十二月中旬至二月上旬。

The main school holidays are from mid-December till early February when the days are long and warm.

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