bulk of the electrolyte

例句：

1. 1. The bulk of the work was completed last week.
   上周完成了大部分工作。
2. 2. The company's bulk of its profits come from overseas sales.
   公司大部分利润来自海外销售。
3. 3. The bulk of the population is still rural.
   大多数人口仍然居住在农村。