英语词汇upward force是什么意思，upward force的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	upward force
释义	DEFINITIVE EXAMPLES 权威例句〔buoyancy〕The upward force that a fluid exerts on an object less dense than itself.浮力：流体施加给比自己密度小的物体的向上作用的力美国传统
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