Sediment is the solid stuff that slowly falls and sits at the bottom of a liquid. Leave muddy water still, and the dirt sinks; that pile is sediment.

Sediment是sediment這個字 is the solid stuff that slowly falls and sits at the bottom of a liquid指的是慢慢沉下去、堆在液體底部的固體東西 leave muddy water still把混濁的水放著不動 and the dirt sinks泥沙就會沉下去 that pile is sediment那堆沉下去的東西就是sediment

The same thing happens in a river, a lake, or the sea: tiny bits of sand, rock, and earth sink and build up. Scientists also use the word for those layers of earth that formed this way over a very long time.

The same thing happens in a river, a lake, or the sea同樣的事情也會發生在河裡、湖裡，或海裡 tiny bits of sand, rock, and earth sink and build up細小的沙、石頭、泥土碎屑會沉下去、慢慢堆積 scientists also use the word for those layers of earth that formed this way over a very long time科學家也用這個字指經過很長時間這樣形成的那些地層

You will hear it in science class, and in ordinary talk about wine, coffee, or tea — the bits that settle in the bottle or the cup.

You will hear it in science class你會在科學課上聽到這個字 and in ordinary talk about wine, coffee, or tea也會在講到酒、咖啡、茶的日常對話裡聽到 the bits that settle in the bottle or the cup就是沉在瓶底或杯底的那些渣

There is a verb too, mostly in labs: to sediment means to settle like this, or to make something settle.

There is a verb too, mostly in labs這個字也有動詞的用法，主要用在實驗室 to sediment means to settle like this動詞to sediment意思是像這樣沉澱下來 or to make something settle或是讓某個東西沉澱下來

The picture is simple and physical: the heavy bits sit down, and the liquid above gets clearer.

The picture is simple and physical畫面很簡單、很物理 the heavy bits sit down重的東西沉下去 and the liquid above gets clearer上面的液體就變得比較清澈