?西伦
西伦 charlize theron; sieren; sihlen; silen; sillen; siren; thelen; zilen 阿克顿新闻西伦敦邮报 acton gazette and west london post ..
The burnt bones were first described by Dr Bob Brain and Dr Andrew Sillen of the University of Cape Town in 1988.
BBC: NEWS | Science/Nature | Bones hint at first use of fire
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