| 单词 | polar air |
| 释义 | > as lemmaspolar air polar air n. Meteorology cold air originating in high latitudes. ΚΠ 1644 K. Digby Two Treat. i. xx. 176 Consequently, the polar ayre must draw a great trayne after it. 1789 Trans. Royal Irish Acad. 1788 2 Science 70 General Roy inferred that the polar air, though affected with the same temperature and pressure, was specifically heavier than in the middle zones. 1849 J. F. Cooper Sea Lions II. xiii. 177 This was a cheering temperature for those who had been breathing the polar air; and the influence of the north-east gale continued to increase. 1982 R. G. Barry & R. J. Chorley Atmosphere, Weather & Climate (ed. 4) v. 198 Warming of air masses over the north-eastern Atlantic is mainly of significance when polar or arctic air flows south-eastwards from Iceland. < as lemmas |
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