因而，在冬季降临时，应及时将油底壳、空气紧缩机内的机油换成冬季用的机油；

Therefore, in the winter comes, will be timely oil pan, air compressor in the oil into the oil used in the winter;

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在接下来的几个月，随着冬季降临到人居密度稀疏的北半球，此次的疫情可能会在北半球慢慢减弱，继而南下。

The infection will probably tail off in the north over the next few months and head south as winter gets a grip on the Earth's less populated hemisphere.

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每年，随着冬季的降临，总有一部英国文学的伟大作品从我的书架上取下——威廉·萨克雷不朽的《名利场》。

Every year, when winter descends on the country, one of English literature’s great works always finds itself pulled down from my bookshelf: namely, William Thackeray’s immortal Vanity Fair.

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