To reach their conclusion, Dr Rich and Dr Wolfe studied the DNA sequences of malarial parasites collected from nearly 100 wild or formerly wild chimpanzees born in central and west Africa.
瑞奇博士和沃夫博士从近100只生于中西非野生或曾今野生的黑猩猩身上收集了疟原虫,并测定其DNA序列,才得到这个结论。
Dr Berrow said the Royal Navy had been in the area off the island of South Uist, North West Scotland, in recent weeks, but had moved away.
贝罗博士说,最近几个星期,皇家海军正好也在苏格兰西北的南尤伊斯特岛附近,但后来他们离开了。
Dr Gluckman carried out his study in Jamaica, in collaboration with Terrence Forrester, of the University of the West Indies.
格拉·克曼博士在牙买加进行了试验,并且与西印度大学特伦斯·福伦·斯特合作。
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