precious metal
US /ˈpreʃ.əs ˌmet.əl/
UK /ˈpreʃ.əs ˌmet.əl/

1.
貴金屬
a metal that is rare and has a high economic value, such as gold, silver, and platinum
:
•
Gold is a highly valued precious metal.
黃金是一種非常有價值的貴金屬。
•
Investors often turn to precious metals during economic uncertainty.
在經濟不確定時期,投資者常轉向貴金屬。