| 释义 |
| | | | NOUN | | | | | /pɪΘ/ | | | | | 1 | the white substance under the skin of oranges and similar fruits （橘子等水果果皮下面白色的）中果皮，海绵层 | | 1a | the white substance inside the stems of some plants （某些植物茎中的）（木）髓 | | | | | | 2 | the main and most important part of a problem , argument etc （问题、争论等的）核心，焦点，精髓 | | |