rust

/rʌst/ n / v
标准词条 CET-4
一句话记住

铁锈；锈；生锈

释义与例句

n 铁锈；锈
a reddish-brown substance that forms on iron when it gets wet
  1. There is rust on the old bicycle.
    那辆旧自行车上有锈。
  2. The lock was covered with rust.
    锁上满是锈迹。
展开其余 1 条例句
  1. Rust had eaten away the iron gate.
    锈已把铁门腐蚀掉了。
v 生锈
to become covered with rust
  1. The car will rust if you leave it outside.
    如果你把车放在外面，它会生锈。
  2. The hinges rusted after years of rain.
    铰链在多年雨水之后生锈了。
展开其余 1 条例句
  1. Iron rusts when exposed to moisture.
    铁受潮会生锈。

词源与构词

记忆钩子 rust 读音像“拉丝特”，铁拉丝后暴露在空气中就会生锈。

词族与关联词

词族（同一词根派生出的不同词性或形式）
  • rusty 生锈的
    形容词形式
同义词
  • corrode 腐蚀
    corrode 指化学腐蚀，rust 专指铁生锈
    Acid can corrode metal surfaces. 酸能腐蚀金属表面。
反义词
  • polish 擦亮
    polish 使金属光亮，与生锈变暗淡相对
    He polished the silver until it shone. 他把银器擦得发亮。
常见搭配
  • rust away 锈掉
    The old pipe rusted away and broke. 旧管子锈掉并断裂了。
  • covered with rust 布满锈迹
    The tools were covered with rust. 工具上布满了锈迹。
  • rust-proof 防锈的
    This paint is rust-proof. 这种油漆是防锈的。