rationale

美音音标: [.ræʃə'nɑːl] rationale
英音音标: [.ræʃə'nɑːl] result.0.expl|add:"

解释
基本原理;

同义
principle rationale
词性
n
解释
(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
示例
the rationale for capital punishment|the principles of internal-combustion engines