Cadmium is a soft, silvery metal and a chemical element. Its symbol is Cd.

Cadmium is a soft, silvery metal and a chemical elementcadmium是一種柔軟的銀白色金屬，也是一種化學元素。Its symbol is Cd它的元素符號是Cd。

People use it in some rechargeable batteries, in certain bright yellow and red paints, and in the control rods that help keep a nuclear reactor safe, because it soaks up tiny particles called neutrons.

People use it in some rechargeable batteries人們把它用在一些可充電電池裡，in certain bright yellow and red paints用在某些鮮黃色和紅色的顏料裡，and in the control rods that help keep a nuclear reactor safe也用在幫助核反應爐保持安全的控制棒裡，because it soaks up tiny particles called neutrons因為它能吸收一種叫中子的微小粒子。

It is poisonous. If it builds up in the body it can hurt the kidneys and bones, so factories must handle it with care, and many countries have cut down how much cadmium they allow in things we touch.

It is poisonous它有毒。If it builds up in the body it can hurt the kidneys and bones如果它在體內累積，會傷害腎臟和骨骼，so factories must handle it with care所以工廠處理它時必須非常小心，and many countries have cut down how much cadmium they allow in things we touch而且許多國家都已經降低我們日常接觸的物品中允許含有的鎘量。

You will meet the word in science class, on battery labels, and in news about pollution — not in everyday talk about food or clothes.

You will meet the word in science class, on battery labels, and in news about pollution你會在理化課、電池標示，和污染相關新聞裡遇到這個字，not in everyday talk about food or clothes而不是在講食物或衣服的日常對話裡。