rust
中文来自 ECDICT
- n.
- 锈，生锈，衰退
- vi.
- 生锈，衰退
- vt.
- 使生锈，腐蚀
1词源 1
演变路径（由近及远）
原始词根
原始印欧语 *h₁rewdʰ-
词源说明
From Middle English rust, rost, roust, from Old English rust, rūst (“rust”), from Proto-West Germanic *rust, from Proto-Germanic *rustaz (“rust”), from Proto-Indo-European *rudʰso- (“red”), from Proto-Indo-European *h₁rewdʰ- (“red”).
Cognate with Scots roust (“rust”), Saterland Frisian rust (“rust”), West Frisian roast (“rust”), Dutch roest (“rust”), German Rost (“rust”), Danish rust (“rust”), Swedish rost (“rust”), Norwegian rust, ryst (“rust”), Finnish ruoste, Estonian rooste. Related to red.
释义（英文）
名词 Noun
- The deteriorated state of iron or steel as a result of moisture and oxidation; it consists mostly of iron(III) oxide (ferric oxide) and iron(II) oxide (ferrous oxide).
- A similar substance based on another metal.
- A reddish-brown
2词源 2
演变路径（由近及远）
- 英语
- 继承自 ←中古英语 rusten
词源说明
From Middle English rusten, from the noun (see above).
释义（英文）
动词 Verb
- (intransitive) To oxidize, especially of iron or steel.
- (transitive) To cause to oxidize.
- (intransitive) To be affected with the parasitic fungus called rust.
- (ambitransitive, figuratively) To (cause to) degenerate in idleness; to make or become dull or impaired by inaction.
- (intransitive) Of a black cat