| 释义 |
上溯 shàngsù1) sail upstream2) trace back to上溯逆水往上游走to sail upstream往上推算过去的年代to date back to上溯 shàng sù （逆着水流往上游走） sail upstream （从现在往上推） trace back to: 这个风俗可上溯到战国时代。 The custom traces to the time of the Warring States. 上溯[shàng sù]1.逆着水流往上游走 go upstream 2.从现在往上推（过去的年代） trace back (to the past); date back上溯n.ascent上溯；追本溯源vi.remount回复；追溯，上溯 (to)上溯1. to trace back to2. to sail upstream上溯1. go upstream2. trace back♦ ~到公元前一世纪 trace back to the 1st century B.C. |