Tool-use no doubt helped early humans in butchering their dinners.

工具的使用无疑能够帮助早期人类捕杀并食用猎物。

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youdao

Most research has foucus on simian animals and found them to be highly adept in social learning, tool use, and other essentials of human-like culture.

大多数研究都集中在类人猿身上，发现它们在社会学习、使用工具和其他类人文化的要素方面非常熟练。

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Linkedin is a fabulous tool- use it.

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It also provides stand-alone tool you can use after installation to select between a variety of high-definition models for Alyx, Barney, the G-Man, and other NPCs.

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In practice, its a nifty, easy-to-use tool for freshening up the raw footage taken on mobile devices.

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