The research, which is published in the current issue of Nature, found that HIV began spreading between 1884 and 1924, around the same time urban centers in west central Africa were established.
这项发表于《自然》杂志现刊的研究发现艾滋病毒于1884年到1924年之间开始蔓延，大约与此同时中非西部地区的城市中心区也开始兴起。
In the West central Banks are happy to set interest rates for the economy as a whole, but prefer to let the market decide who should lend how much to whom.
西方国家的中央银行乐于调整银行利率，却把借贷问题的决策权(谁可以通过什么银行借到多少钱)交给市场。
A city of west-central Germany at the foot of the Taunus Mountains near Frankfurt is a famous resort.
德国中西部的一个城市位于法兰克福附近的陶努斯山脚下，是著名的度假胜地。
"Well, I think we need to pray for rain, " says Chris Wingert, the general manager of the West Central Texas Municipal Water District in Abilene.
位于阿比林（Abilene）的西部德州地方水务中心总负责人克瑞斯•温格特（ChrisWingert）说，“额，我认为我们还是需要为下雨而祈祷”。
Theme: A Culinary Trip around Spain, where we will feature 5 different recipes each one from the different areas: North, South, East, west & Central Spain using Typical Spanish ingredients.
本周的主题是西班牙美食之旅，将会介绍西班牙东部、西部、南部、北部和中部的5道特色菜式。
A city of west-central Texas west-southwest of Abilene. It is a trade center in an agricultural region. Population, 23,093.
美国得克萨斯州中部偏西一城市，位于阿比林西南偏西。是农业地区的贸易中心。人口23,093。
A city of west-central Germany in the Ruhr Valley northeast of Essen. It is a major industrial and coal-mining center. Population, 287,956.
德国中部偏西一城市，位于鲁尔河谷，埃森的东北部。是一个主要的工业和采煤中心。人口287,956。
A city of west-central California on an island in San Francisco Bay near Oakland. It is the site of a naval air base. Population, 76, 459.
阿拉米达美国加利福尼亚中部偏西城市，位于奥克兰附近圣弗朗西斯科湾的一座岛上。该城是海军飞行基地。人口76，459。
A city of west-central California on an island in San Francisco Bay near Oakland. It is the site of a naval air base. Population, 76, 459.
阿拉米达美国加利福尼亚中部偏西城市，位于奥克兰附近圣弗朗西斯科湾的一座岛上。该城是海军飞行基地。人口76，459。
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