The stone tool made by Neanderthals suggests otherwise.

尼安德特人制造的石制工具却表明了另一种情况。

youdao

Does this chipped stone tool hold the secret of speech?

这块打制石器是否隐藏着语言的秘密？

youdao

The Acheulean stone tool kit that succeeded it lasted for 1.5 million years.

它之后的阿舍利石器工具包保持了一百五十万年。

youdao

Experts have recorded over 40 different types of stone tool use in chimps.

BBC: Cultural habits of chimps

We're going to need to turn over every stone and use every incremental tool that's going to help on the margin.

NPR: Ex-Rocket Scientist To Oversee Financial Bailout

When presented with a stick and a stone, they also picked the right tool for the job.

ECONOMIST: Tool use by non-tool-using animals