有砖瓦、贝灰、抽纱、建筑等厂。

There are brick, Tony Gray, Drawn and construction works.

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当时她已经在冈贝考察了15个月，收集了大量的野外数据，这些数据大多是通过对某些黑猩猩个体的耐心观察而得到的，珍还给这些黑猩猩分别取名为灰胡子大卫、麦克、奥利和菲菲。

By then she had 15 months of field data from Gombe, most of it gathered through patient observation of individuals she knew by monikers such as David Greybeard, Mike, Olly, and Fifi.

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为什么要在刻好的贝叶上再涂上一层锅灰呢？

Why do they apply a layer of soot to the carved leaves?

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