1580s, from stain (n.) + -less. Related: Stainlessly. Stainless steel is from 1917, a chromium-steel alloy (usually 14% chromium) used for cutlery, etc., so called because it is highly resistant to rust or tarnish.
权威例句
1. He makes decorative vessels in copper, stainless steel and silver.
他用铜、不锈钢和银制造装饰性器皿。
2. The standard spec includes stainless steel holding tanks.
标准配置里包含了不锈钢储液罐。
3. a large stainless steel pan
一只不锈钢大平锅
4. I have a set of stainless knives and forks.
我有一套不锈钢刀叉.
5. Before the recent political scandal, her reputation had been stainless.