qīng​jīn​shǔ

light metal

轻金属 輕金屬 qīng​jīn​shǔ
light metal
Any metal with a relatively low density, generally defined as less than 4.5 or 5.0 grams per cubic centimeter, including common examples like aluminum, magnesium, and sodium.

Frequency

Movie subtitles
0.060 per million appears in 0% of films
Written text
0.072 per million

Sources