rationale
英 [,r???'nɑ?l]
美[,r???'n?l]
- n. 基本原理；原理的闡述
英英釋意
- 1. (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature);
- "the rationale for capital punishment"
- "the principles of internal-combustion engines"