游轮驶过时产生的尾流差点掀翻了我们的独木舟。

The ___backwash from the cruise ship almost capsized our canoe.

新政策的意外后果是引发了连锁反应，影响了整个市场。

The ___backwash of the new policy caused a ripple effect across the entire market.

他厌恶地发现杯底残留着一些回流的液体。

He was disgusted to find some ___backwash at the bottom of the glass.