gravity n. 1.認真,嚴肅,莊重。 2.重要性,嚴重性;危險性。 3.重量。 4.【物理學】重力,引力,地心吸力。 5.【音樂】(音調的)低沉。 acceleration of gravity重力加速度。 the centre of gravity重心,重點。 specific gravity比重。 null [zero] gravity無重力,失重。 keep one's gravity 持重,不茍言笑。
theory n. 1.理論,學理,原理。 2.學說,論說 (opp. hypothesis)。 3.推測,揣度。 4.〔口語〕見解,意見。 the theory of two points 兩點論。 Darwin's theory of evolution 達爾文的進化論。 theory of equations 【數(shù)學】方程論。 theory of everything 【物理學】(把相對論、量子論和宇宙大爆炸理論都包括在內的)萬用理論。 theory of relativity 【物理學】相對論。 the atomic theory 原子說。 Our scheme is good both in theory and in practice. 我們的方案在理論上和實施上都是好的。 combine [separate] theory with [from] practice 理論結合[脫離]實際。 My theory is that we must bring new blood into the Institute through appointment of younger men to important positions. 我的意見是我們學院應該通過重用年輕一些的人來注入新的血液。 theory of games 博弈論,對策論,權衡利弊得失的形勢分析。
(physics) the theory that any two particles of matter attract one another with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them 同義詞:theory of gravitation, gravitational theory, Newton''s theory of gravitation,