Combat there centered around a crucial supply route that stretched from north America to the Russian port city of Murmansk, across the border from the northern tip of Norway.
这里的战斗主要围绕一条从北美起，经挪威北端越境，直到俄国的港口城市摩尔曼斯克的重要补给线展开。
America needs a more comprehensive strategy to combat joblessness.
美国需要一个更全面的策略才能扳倒失业。
Lecco's walking bus was the first in Italy, but hundreds have cropped up elsewhere in Europe and, more recently, in North America to combat the trend.
莱科市的步行巴士在意大利尚属首例，但是在欧洲的其他地区出行了数百例，而且最近特别是在北美，有很多这样的例子，以阻止气候变暖的趋势。
The vaccine prototype, patented by the CSIC, is designed to combat HIV's subtype B, the one that is most prevalent in Europe, the United States, South and Central America and the Caribbean.
西班牙国家研究委员会已就这种疫苗原型申请了专利。这种疫苗原型主要用于抵抗HIV病毒的B型病毒，即在欧洲、美国、南美、中美洲和加勒比地区盛行的一种HIV病毒。
The vaccine prototype, patented by the CSIC, is designed to combat HIV's subtype B, the one that is most prevalent in Europe, the United States, South and Central America and the Caribbean.
西班牙国家研究委员会已就这种疫苗原型申请了专利。这种疫苗原型主要用于抵抗HIV病毒的B型病毒，即在欧洲、美国、南美、中美洲和加勒比地区盛行的一种HIV病毒。
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