| 拓扑结构 | tuo4 pu1 jie2 gou4 | topological structure |
| 拟卤素 | ni3 lu3 su4 | pseudohalogen, e.g. cyanogen (CN)2 |
| 撒科打诨 | sa1 ke1 da3 hun4 | to intersperse comic dialog (as they do in operas) |
| 政治素质 | zheng4 zhi4 su4 zhi4 | political quality (in ideological education) |
| 效价能 | xiao4 jia4 neng2 | titer (measure of effective concentration in virology or chemical pathology, defined in terms of potency after dilution by titration) |
| 数字命理学 | shu4 zi4 ming4 li3 xue2 | numerology |
| 数码科技 | shu4 ma3 ke1 ji4 | digital technology |
| 文化层 | wen2 hua4 ceng2 | culture level (in archaeological site) |
| 断层线 | duan4 ceng2 xian4 | geological fault line |
| 断裂带 | duan4 lie4 dai4 | fault zone (geology) |
| 斯文・海定 | si1 wen2 hai3 ding4 | also written 斯文赫定 |
| 斯文・赫定 | si1 wen2 he4 ding4 | Sven Hedin (1865-1952), famous Swedish adventurer and archaeologist, whose 1894-1900 Central Asian expeditions uncovered Kroraina or Loulan 樓è˜æ¥¼å…° |
| 无底坑 | wu2 di3 keng1 | pitless (elevator) |