Thousands of dead sardine fish landed along the Laura Kati River in Chile recently.

近日，智利勞拉卡蒂河沿岸上岸的數千條死沙丁魚。

Phenomenon reports say huge numbers of the ocean fish swam into the river, reducing the water's oxygen level.

現象報道稱，大量的海洋魚類遊入河中，降低了水中的含氧量。

Tests on the sardine remains suggest the mass death resulted from a natural phenomenon related to the supply of oxygen in waterways.

對沙丁魚遺體的檢測表明，大量死亡是由自然現象造成的，與水道中的氧氣供應有關。

A phenomenon is an observable fact or event, but people use the word most often when such an event is rare, powerful or of mysterious, cause now you know what phenomenon means.

現象是一種可觀察到的事實或事件，但人們最常使用這個詞，當這樣的事件是罕見的，強大的或神祕的，因為現在你知道什麼是現象的意思。