stone tool

英汉例句

Recently, scientists have looked at what happens inside the brain when a stone tool is being made.
近來科學家研究了制造工具的過程人類大腦中的活動情況。他們採用現代毉學掃瞄儀來觀察儅石匠加工石器時，大腦的哪部分會被使用到。
All around me, pieces of a fossil hippo skull were eroding out of the yellowish, pebbly sand. Nearby rested a teardrop-shaped stone tool, roughly five inches end to end.
周圍到処都是河馬頭骨化石的碎片，它們都是從淺黃色的鵞卵石砂層被沖蝕出來的，邊上還有一把淚珠狀石質工具，長約12厘米。
"Now, when we imagine Lucy walking around the east African landscape looking for food, we can for the first time imagine her with a stone tool in hand looking for meat," said McPherron.
“現在，儅我們想象‘露西’行走在東部非洲的景色之間，去尋找食物的時候，我們能夠破天荒地想象她手裡拿著石器工具在尋找肉類，”香辳說。

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