不可再生        b kě zishēng           not renewable

                     hu                           post-; after

刘建生            Li Jinshēng             personal name

撰写                zhunxiě                    write

物理学            wlǐxu                      physic

能量                nngling                   energy

寿命                shumng                   life-span; life; lifetime

导言                dǎoyn                      introduction

正文                zhngwn                  main body; text

纲要                gāngyo                    outline

思路                sīl                            train of thought; thinking; mentality

附录                fl                            appendix

核心                hxīn                         core; centre; key

适度                shd                         appropriate; moderate

前提                qint                         premise; prerequisite

物尽其用       w jn q yng            make the best use of everything; make the most of things