中粘度: 水泵和油泵 、 仪表的检查孔盖、气缸盖 、 油底壳和几乎所有的机加工表面. Medium grade: water and oil pumps, instrument inspection covers , cylinder heads, sumps and most machined surfaces.
One discovers his ignorance only through learning.学然后知不足.He now discovers that they have been going south instead of north.他这时才明白过来,原来他们一直向南而不是向北航行.Finishing their shopping at the mall, a couple discovers.一对夫妇在一家大卖场里买完东西...
We're going to go home and nurse our colds.我们打算回家调养感冒。I'll go home and pay an overdue visit to my mother.我将回家看望母亲，其实我早该回去了。But Fred was bored and desired to go home.但弗雷德觉得很无聊，想要回家。...