n.(名词)

1. （水面）下层逆流
2. 从岸边退回去的波浪
3. 【地】底流
4. 潜在的倾向
5. 感染力
6. 回头浪
7. 底层反向流
8. 潜流

currentn.趋势；(水、气、电)流adj.现在的；流通的

undercurrentn.暗流；潜流

tiden.趋势；潮流；潮汐；潮水v.渡过；（使）随潮漂流

pullv.拉；拖；牵；拔；吸引n.拉；拉力；引力；划船；影响力

streamn.(小)河；水流；(人；车；气)流；组v.流动；流出；飘动；将(学生)按能力分组

flown.流动；涨潮；流；流量vi.流动；涌出；飘动；流畅vt.淹没

sea-pussn.回潮；退潮流

sea-poosen.回潮；回头浪；退潮流=sea-puss.

sea pursen.鳐；鲨鱼等的角质卵壳(卵囊)

sea puss退潮流

sea-pursen.(鳐鱼、鲂鱼或某些鲨鱼的)袋状卵囊

1. Large rocks line the base of the falls, and the man also avoided dangers like strong currents and a vicious undertow.
   瀑布的底部是一块块巨石，该男子还逃过了强劲的水流和凶猛的回头浪。
2. The pull of the undertow can drag swimmer out to sea.
   近岸回流的冲力能把游泳的人涌到海里。
3. The children were carried out to sea by the strong undertow.
   强大的回流把孩子们卷到海里去了。