At twelve she began researching ways to extend human life.
她12岁就开始寻找延长人类寿命的方法。
Its researching ways, system of deducibility have their specialties.
其研究方法、框架体系的建构都有独到之处。
He said coffee producers were researching ways of producing coffee without the substance building up.
他说咖啡制造商正研究各种方法,以免在加工过程中产生这类物质。
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