B2 covered with rust (= metal decay)生锈的
More examples
My old bicycle was so rusty that the gears had frozen.
The door squeaked as it swung back and forth on its rusty hinges.
There was a pile of rusty old cans by the door.
I pushed back the rusty old gate and staggered into the garden.
The track remains in position but rusty with disuse.
B2 If a skill you had is rusty, it is not as good as it was because you have not it.(技术)荒疏的,荒废的,生疏的
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
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