学个词 Learn A Word: 3447 pinpoint 准确地查明、确定
今天我们要学的词是 pinpoint.
pinpoint 的意思是准确地查明、确定。
An Australian-led study has claimed to have pinpointed the birthplace of modern humans to a region south of the Zambesi River in southern Africa. 一项由澳大利亚主导的研究声称，已经确定现代人类的发源地在非洲南部赞比西河以南的地区。
An Australian-led study has claimed to have pinpointed the birthplace of modern humans to a region south of the Zambesi River in southern Africa. 一项由澳大利亚主导的研究声称，已经确定现代人类的发源地在非洲南部赞比西河以南的地区。
Two years after Stephen Paddock allegedly opened fire on concert goers from his hotel room in Las Vegas, investigators are still unable to pinpoint a motive for the massacre that killed 57 people. 两年前，斯蒂芬·帕多克据称从他在拉斯维加斯的酒店房间向一场音乐会的观众开枪，调查人员至今仍无法查明那场造成57人死于非命的大屠杀的动机。
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