precious metal
原始詞典資料1 筆記錄
這個字我們還沒有寫成教學內容。以下是外部詞典記錄的用法，原文照列，方便你先看懂它的意思。
precious metalnoun
- 1
A rare metallic chemical element of high economic value, such as gold, platinum, palladium, or rhodium.
- The reason for the ruckus: A thief in the night had made off with the car’s catalytic converter, a critical emissions-control device that contains precious metals more valuable than gold.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。