“pleasure principle”概念、定义、翻译-科学时代

单词	pleasure principle
释义	文学词汇手册 pleasure principle 快乐原则；快感原则
随便看	contour line contour line map contour map contour map contour map contour map contour map migration contour mapping contour of constant geometric accuracy contour of equal travel time contour plan contour planting contour plate contour plot contour plot contour ploughing contour prism contour projection chart contour projector contour recognition contour road contour roll forming contour segmentation contour sod strip contour terrace

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。