undercurrent

n.

潜流，暗流；潜在的感情、影响或倾向（尤指与表面相反的）；[电]电流不足；[矿]分支洗金槽

复数：undercurrents

1. There was an undercurrent of antipathy between them.
   他们两人之间潜伏着一股反感的暗流。
2. The undercurrent of despair or madness or illogicalness would lead to the impossible fantasies of future.
   无意识当中的绝望、狂热、无逻辑性会导致未来难以想象的疯狂。

Equatorial Undercurrent Disappears during 1982-1983 El Ni?o
Source waters of the Pacific Equatorial Undercurrent
Bed forms of the Mediterranean undercurrent observed with side-scan sonar
A Linear Stratified Ocean Model of the Coastal Undercurrent
The termination of the Equatorial Undercurrent in the eastern Pacific ☆
Kinematics of the Pacific Equatorial Undercurrent: An Eulerian and Lag...
Continuity of the poleward undercurrent along the Eastern boundary of the mid-latitude north Pacific
Kinematics of the Pacific Equatorial Undercurrent: An Eulerian and Lagrangian Approach from GCM Results
Lagrangian Observations of Meddy Formation during A Mediterranean Undercurrent Seeding Experiment*
Meridional Circulation Cells and the Source Waters of the Pacific Equatorial Undercurrent