
好词典

源自希腊语 'chrōma'(颜色),因铬的化合物常呈现鲜艳的颜色而得名。
❶ 铬是一种银白色的金属元素,化学符号为Cr,常用于制造不锈钢和其他合金,具有高硬度和抗腐蚀性。
“Chromium is widely used in the production of stainless steel.”
(铬广泛用于不锈钢的生产。)
“The plating on this faucet is made of chromium for durability.”
(这个水龙头上的镀层是用铬制成的,以提高耐用性。)
chromium plating — 镀铬,指在物体表面镀上一层铬以增加美观和抗腐蚀性。
“The motorcycle's exhaust pipes have chromium plating to resist rust.”
(摩托车的排气管镀了铬以防止生锈。)