hard science
(rare) Alternative spelling of dickweed
simple past tense and past participle of subtract
(informal) Any of the natural and physical sciences that use the scientific method and experiments to test theories. Examples include mathematics, biology, physics, chemistry and geology.
(astronomy) Four stars which form a stellar system, such that they orbit the point of equilibrium of their gravitational fields; a quadruple star system.
彼女は実験と定量的思考が好きだったので、大学では自然科学を専攻することに決めました。
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