batch oil

例句：

1. 1.The car was running on a batch of new oil.
   这辆车正在使用一批新的油。
2. 2.The company used to make batches of soap in the old factory.
   这家公司以前在旧工厂里生产一批批的肥皂。
3. 3.They had to wait for a while before they could get their batch of samples tested.
   他们需要等一会儿才能拿到他们的样本进行测试。