好词典

rust

UK /rʌst/US /rʌst/

词源

源自古英语 rūst,与德语 Rost 同源,原始印欧语词根可能与红色相关。

noun

❶ 金属表面因氧化作用产生的红褐色物质,常见于铁制品暴露在潮湿环境中。

“The old bicycle was covered in rust after being left in the rain.”

(那辆旧自行车被雨淋后生满了锈。)

“Rust can weaken the structure of metal over time.”

(锈蚀会逐渐削弱金属的结构强度。)

❶ 类似锈的褐红色,常用于描述颜色或植物病害导致的变色现象。

“The autumn leaves turned a beautiful rust color.”

(秋叶变成了美丽的铁锈色。)

“His jacket was a deep rust shade that matched the fall scenery.”

(他的夹克是深铁锈色,与秋景很相配。)

同义词:corrosion, oxidization, patina

verb

❶ 金属因氧化作用逐渐生锈,或比喻技能因长期不用而退化。

“If you don't oil the chain, it will rust quickly.”

(如果不给链条上油,它会很快生锈。)

“The abandoned cars had rusted beyond repair.”

(被遗弃的汽车已经锈得无法修理。)

同义词:corrode, oxidize, deteriorate

常见短语

rust away — 指金属因长期锈蚀而逐渐损坏消失的过程。

“The old nails in the shed have completely rusted away.”

(棚屋里的旧钉子已经完全锈蚀殆尽了。)

rust belt — 特指美国东北部传统工业衰退地区,因工厂设备生锈得名。

“Many factories in the Rust Belt closed during the 1980s.”

(锈带地区的许多工厂在1980年代关闭了。)