影 | ying3 | film |
痕迹 | hen2 ji1 hen2 ji4 | mark |
微量 | wei1 liang4 | DRAM |
印 | yin4 | image |
追踪 | zhui1 zong1 | to pursue |
丝 | si1 | silk |
遗迹 | yi2 ji4 yi2 ji1 | trace |
避孕 | bi4 yun4 | contraception |
踪迹 | zong1 ji1 zong1 ji4 | trail |
追溯 | zhui1 su4 | lit. to go upstream |
音信 | yin1 xin4 | trace |
抹杀 | mo3 sha1 | efface |
溯源 | su4 yuan2 | to trace a river upstream back to its source |