How to change default Operating System boot-up for GRUB menu?

Just a minute, I'm waiting for my computer to boot up.

等会儿, 我正等我的电脑启动起来.

A hard reset returns the device to its initialization or'boot-up'state.

硬复原会将设备返回到它的初始状态或 “ 引导 ” 状态.

CPU utilization for last boot-up 100 %, this boot for 50 %.

CPU使用率上次开机时为100%, 本次开机为50%.首页总被强行篡改.

What he needs is a good boot up the backside!

他需要的是在他屁股上狠狠踢一脚.

Make Bootable user guide complete source code can be used directly.

使启动用户指南完整的源代码可以直接使用.

System files restored. The target disk may not be bootable.

系统文件被恢复.目标盘可能不能被引导.

Start-up begins with the BIOS loading the Master Boot Record ( MBR ) on the bootable disk.

启动的BIOS开始加载主引导记录 ( MBR ) 磁盘上启动.

The bootblack bought the black boot back.

擦鞋童买回来了一双黑色的长靴.

He booted the door and it crashed open.

他对准门猛踢一脚,一下子把它踹开.

He was booted out of the house.

他被踢出屋去.

He booted the kids out of the orchard.

他把孩子们撵出果园.

The little boy booted the ball away.

小男孩把球踢开去.

Tom booted the football over the goalpost.

汤姆把足球踢过了球门柱.

You must be here booted and spurred at nine o'clock.

你必须在九点准备好到这里来.

Golden parachutes entitle them to a full year's salary if they get booted out of the company.

一旦被公司解雇，“金降落伞”协议使他们有权领取相当于一整年的薪水。

Two members were booted out for failing to pay the money they owed.

两名会员由于没付欠款而被开除.

He has been quietly booted out as chief.

他己被悄悄地免掉主任的职务.

He booted the ball across the field.

他把球踢到场地的另一头.

The manager booted his secretary out for her wantonness.

经理开除了他的秘书,因为她行为放荡.

They booted him out for being drunk at work.

他们把他解雇了,因为他工作时喝醉了酒.