concentration corrosion cell

例句：

1. 1.The solution has a high concentration of salt.
   这个溶液的盐分浓度很高。
2. 2. The scientist focused his attention on the experiment.
   科学家把注意力集中在实验上。
3. 3. The wine is very concentrated, so it's best to drink it slowly.
   这种酒非常浓，所以最好慢慢喝。
4. 1. The steel was severely corroded by the acid.
   这钢铁被酸严重腐蚀了。
5. 2.The metal was subjected to various corrosion tests.
   金属经受了各种腐蚀测试。
6. 3. The rusting process is a form of corrosion.
   锈蚀过程是一种腐蚀形式。