n.发动
Non-resident students who wish to lunch in should inform the Bursar before ten o'clock. 走读生凡拟在校用午餐者希于10时前通知总务管理员，今天你在家吃午饭还是出去吃饭？
He made fifty before lunch, and as you know, Carter is not easily off. 他在午饭前得了50分，正像你所知道的，卡特的球是不容易击中的。
She ordered lunch for (ie to be served at) 1.30. 她定了午餐，在1时30分开饭。
