单词	radiocarbon
释义	ra·di·o·car·bon (rā′dē-ō-kärbən) n. A radioactive isotope of carbon, especially carbon-14.
随便看	assertable asserted assertedly asserter assertible assertion assertional assertive assertively assertiveness assert oneself assertor asses asses asses assess assessable assessment assessor assessorial asset asseverate asseveration asseverative asshat

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