looking at caves
观赏洞穴
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Looking at 507 handprints from 26 caves in France and Spain, they deduced that 23% of them were right-handed, which indicated that they were made by left-handers.
BBC: Cave handprint, Montpellier University
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