做主修课

doing for───毁坏；代替；对…有效

double major───双学位（完成两个科目的主修的必修课）；双主修；双专业

command a majority───占多数

doing out of───向…骗取，骗走；（用不正当手段）剥夺

doing over───重做；粉刷

double majors───双学位（完成两个科目的主修的必修课）；双主修；双专业

drum major───乐队指挥

I met with philanthropists and they're doing a summit with five major charities and we'll be doing stuff all over the world.───我与一些慈善家进行了会面。他们正在与五大慈善机构举行会谈。我们将在全世界开展慈善活动。

He said not doing so now would be a major error.───他表示，不进行这样的投资将是一个很大的错误。

Everything seemed to go pretty well today, even off the grid. We saw your guys doing a major clean-up operation. . .───每件事情在今天看上去都进展顺利，即使是在离开发车区时。我们看到你们做了主要的清扫工作……

Because this new pond is interconnected with the main one, adding the water was like doing a major water change.