The second largest rainforest is in Western Africa.
第二大雨林在西非。
All the recorded staple crops grown in western Africa were introduced from elsewhere, beginning, at some unknown date, with rice and yams.
西非所有从某个未知的日期开始记录的主要农作物都是从其他地方引进的，刚开始是种植水稻和山药。
Several food plants, such as kola and okra, are known to have been domesticated in western Africa, but they are all supplemental, not staple, foods.
一些食用植物，如可乐和秋葵，已在西非培育，但它们都是补充性食物，而不是主食。
On the other hand, rainfall increased in the interior of western Africa, and the northern limit of the tsetse fly, an insect fatal to cattle, moved south.
另一方面，西非内陆的降雨量增加，采采蝇活动区域的北部边界向南移动——一种对牛致命的昆虫。
非洲西部的一个国家。
Floods across western Africa in September were the worst for several decades.
2007年9月份席卷西非的洪水是几十年来最严重的一次。
A baboon ( Papio leucophaeus ) of western Africa, related to and resembling the mandrill .
一种西非产（鬼狒狒狒属），与典型山魈有关并与其类似。
A former kingdom of western Africa, now part of Nigeria. It flourished from the 4th to the 7th century.
西非一个前王国，今为尼日利亚一部分。从4到7世纪为其繁盛期。
Fewer than 3,000 of these hippos are left in the wild, inhabiting the lowland tropical forests of western Africa.
现在野外只有少于3,000只这种类型的河马幸存，它们栖息在非洲西部热带低洼的丛林中。
The large and very heavy giant eland of forests and plains in western Africa looks more like an ox than an antelope.
生活在非洲西部森林和平原上的非常笨重的大个儿大角斑羚羊，看起来不像羚羊，倒更像牛。
A river of western Africa rising in Cameroon and flowing about, 078 km (' 70 mi) to the Niger river in central Nigeria.
非洲西部一条河流，发源于喀麦隆，流程约，078公里(' 70英里)，在尼日利亚中部注入尼罗河。
A river of western Africa rising in Cameroon and flowing about 1,078 km (670 mi) to the Niger river in central Nigeria.
非洲西部一条河流，发源于喀麦隆，流程约1,078公里(670英里)，在尼日利亚中部注入尼罗河。
A river of western Africa rising in western Burkina Faso and flowing about, 352 km (840 mi) to the White Volta in Ghana.
非洲西部一河流，发源于布基纳法索的西部，流程约，352公里(840英里)，在加纳注入白沃尔特河。
Erythrocebus of western Africa that are closely related to the guenons, especially E. patas, which has reddish fur and a black nose.
赤猴西部非洲的一种赤猴属的长尾陆栖猴子，与长尾猴属动物十分相近，尤其是赤猴，具有红色的毛和黑色的鼻子。
A river of western Africa flowing about, 2 'km (700 mi) from northern Guinea through southeast Senegal and Gambia to the Atlantic Ocean at Banjul.
西非的一条河流，流程，2'公里(700英里)，从几内亚北部穿过塞内加尔和冈比亚东南部，最后在班珠尔流入大西洋。
He said that the completion and operation of the road will benefit the Ghanaian people and even those people living along the road in western Africa.
他说，公路竣工通车后将使加纳乃至西非地区沿线各地人民从中受益。
Even modest decreases in rain in western Africa will see rivers lose as much as 80% of their water, triggering a surge of what the scientists call "water refugees".
即便是在西非出现降雨的适度减少，也会造成河流损失多达80%的水量，引发专家们称之为为“水难民”的难民潮。
He added that Cape Verde is right now in the period of economic transition and is making efforts to become the entrepot in the region and the financial hub of Western Africa.
他说，佛得角处于经济转型期，正努力成为本地区货运中转站和西非金融中心。
MARTIN PRINCE: "There have been some more studies done recently in western Africa, which, I think give the lie to the notion that Alzheimer's disease is very rare amongst all the people in Africa."
普林斯：“我认为最近在西非完成的一些研究拆穿了阿尔茨海默氏症在非洲人民当中非常罕见的谎言。”
China has vied with western groups in Africa for oil and minerals for the best part of a decade.
过去十年的大部分时间里，中国都在与西方集团争夺非洲的石油与矿产品。
The distribution of anaemia is driven by large-scale environmental factors, and the epidemiological drivers differ in western and eastern Africa.
贫血症的分布受到大规模环境因素的影响,而流行病学因素在西部和东部非洲并不相同。
The graph below shows how differently the epidemic has evolved in three cities in southern, western and eastern Africa.
下图显示了艾滋病在非洲南部、西部和东部三个城市的不同传播模式。
The graph below shows how differently the epidemic has evolved in three cities in southern, western and eastern Africa.
下图显示了艾滋病在非洲南部、西部和东部三个城市的不同传播模式。
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