• n. 锈；生锈；[植保] 锈病
• vt. 使生锈；腐蚀
• vi. 生锈；成铁锈色；变迟钝
• n. (Rust)人名；(英)拉斯特；(德、捷、瑞典)鲁斯特；(法)吕斯特

来自古英语 rust,锈，锈蚀，来自 PIE*reudh,红色的，来自 PIE*reudh,红色的，词源同 red,russet.

rust

rust: [OE] Etymologically, rust means ‘reddened’. The word goes back ultimately to the Indo-European base *reudh- ‘red’ (source also of English red). This produced a prehistoric Germanic noun which has evolved into German and Swedish rost, Dutch roest, and English and Danish rust.
=> red

rust (v.)

early 13c., from rust (n.). Transitive sense "cause to rust" is from 1590s. Related: Rusted; rusting.

rust (n.)

"red oxide of iron," Old English rust "rust; moral canker," related to rudu "redness," from Proto-Germanic *rusta- (cognates: Frisian rust, Old High German and German rost, Middle Dutch ro(e)st), from PIE *reudh-s-to- (cognates: Lithuanian rustas "brownish," rudeti "to rust;" Latin robigo, Old Church Slavonic ruzda "rust"), from root *reudh- "red" (see red (adj.1)).

As a plant disease, attested from mid-14c. Rust Belt "decayed urban industrial areas of mid-central U.S." (1984) was popularized, if not coined, by Walter Mondale's presidential campaign.

1. Rust and flaking paint mean the metalwork is in poor condition.

生锈和掉漆说明金属配件损毁严重。

来自柯林斯例句

2. Ray painted below the waterline with a special anti-rust paint.

雷用专门的防锈涂料涂船的吃水线以下的部位。

来自柯林斯例句

3. pipes covered with rust

生了锈的管子

来自《权威词典》

4. It is better to wear out than rust out.

与其懒死,不如累死.

来自《简明英汉词典》

5. As rust is to iron, so is laziness to man.

懒惰对于人好比铁生了锈.

来自《简明英汉词典》