Undercurrents
n. 潜流, 暗流( undercurrent的复数形式 ); 潜在的感情、影响或倾向（尤指与表面相反的）
🗣️ 情景例句
You can see many posters that are put up before the movie opens.
每部电影首映前你都会看到铺天盖地的海报。
Selt-trust is the essence of heroism.
自信是英雄的本色。
Then he sits and barks until someone lets him out.
这之后他就坐下汪汪叫起来，直到有人来把它放出去。