该地区开始成功地用奎宁作为预防剂。
The region began to use quinine successfully as a prophylactic.
坦桑尼亚政府再次开始在湖中开采纯碱，用于制造化学品、玻璃和洗涤剂。
The Tanzanian government has once again started mining the lake for soda ash, used for making chemicals, glass and detergents.
人们开始越来越多地使用脱水后的动物粪便作为替代燃料，这同样会损害土壤，因为这些珍贵的土壤改良剂和植物养分的来源将无法再回归到土壤之中。
The increasing use of dried animal waste as a substitute fuel has also hurt the soil because this valuable soil conditioner and source of plant nutrients is no longer being returned to the land.
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