| 释义 |
donor/ˈdəʊnə, -nɔ:/n. 1 a person who gives or donates something (e.g. to a charity) (如给慈善事业的)赠送者；捐赠人 2 a person who provides blood for a transfusion, semen for insemination, or an organ or tissue for transplantation 供血者；(人工授精的)精液提供者；(组织、器官等移植的)提供者 3 Chem. an atom or molecule that provides a pair of electrons in forming a coordinate bond 【化】给(予)体；供体(提供一对电子的原子或分子) 4 Physics an impurity atom in a semiconductor which contributes a conducting electron to the material 【物理学】施主性杂质 [Middle English via Anglo-French donour, Old French doneur from Latin donator -oris, from donare ‘give’] |