cireumpolar vortex的用法和樣例：
例句
- The weather helps to break up a pattern of strong, cold winds called the circum polar vortex.
這樣的氣候有助于打破一個(gè)被稱(chēng)作環(huán)極渦旋的強盛的寒冷風(fēng)場(chǎng)。 - If the circumpolar vortex lasts longer than usual in future years, a large ozone hole could be expected to develop above the Arctic.
如果環(huán)極渦旋在未來(lái)幾年里比正常情況下持續更長(cháng)時(shí)間，一個(gè)大規模的臭氧空洞就很可能在北極上空發(fā)展起來(lái)。
