锈xiùrust (n.); to rust (v.)HSK 7-9PronunciationxiùExample sentence这把刀因为受潮而生了一层锈。zhè bǎ dāo yīnwèi shòu cháo ér shēng le yī céng xiù.The knife has developed a layer of rust because of the moisture.Read and choose an answerOne fixed sampleExplore a sample