Using tools has been interpreted as a sign of intelligence,and it has been theorized that tool use may have stimulated certain aspects of human evolution- most notably the continued expansion of the human brain.
Birds that spend most of their time at sea aren't known for tool use, since their superior swimming abilities are usually sufficient to help them get food.
In some disciplines, climbers attach safety ropes;however, no other equipment is permitted and competitors must climb using only their bare hands and climbing shoes.
人類にとって最初の大きな進化的跳躍は道具の使用だった。
One of the biggest turning points for human evolution was the use of tools.
人類にとって最初の大きな進化的跳躍は道具の使用だった。
One of the first signs of culture in early humans was the use of tools.
変更はいくつかのステップで行われ、自家製の真空ポンプは複雑な道具の使用を必要としません。
Alteration takes place in several steps,the homemade vacuum pump does not require the use of complex tools.
English
中文
عربى
Български
বাংলা
Český
Dansk
Deutsch
Ελληνικά
Español
Suomi
Français
עִברִית
हिंदी
Hrvatski
Magyar
Bahasa indonesia
Italiano
Қазақ
한국어
മലയാളം
मराठी
Bahasa malay
Nederlands
Norsk
Polski
Português
Română
Русский
Slovenský
Slovenski
Српски
Svenska
தமிழ்
తెలుగు
ไทย
Tagalog
Turkce
Українська
اردو
Tiếng việt