metal-sol

例句：

1. 1.The metal-sol was used to clean the machine parts.
   这种金属溶液被用来清洗机器零件。
2. 2. The chemical process involved mixing metal-sol with a base solution.
   这个化学过程涉及将金属溶液与基础溶液混合。
3. 3. The engineer carefully measured the amount of metal-sol needed for the experiment.
   工程师仔细测量了实验所需的金属溶液的量。