Engine and transmission bolted together to form a power unit .

发动机和变速器用螺栓连接在一起形成一个动力单元。

He bolted down his breakfast .

他匆匆忙忙地吃了早餐。

This month has seen a series of high-profile defections : football players absconding at an away match in tanzania ; medical workers seeking refuge in sudan ; naval ratings escaping to yemen . Even a senior government propagandist has bolted .

本月有一系列备受关注的事件发生：足球运动员在坦桑尼亚的比赛中出逃；医务工作者在苏丹寻求庇护；海军士兵也逃往也门；甚至政府一位高级宣传官员也突然逃跑。

It looks , then , as if evolution has bolted into men a psychological mechanism to keep them in the family .

所以说，由此可见，似乎自然进化让男人们产生了一种心理学机制，把他们闩在了家庭里。

So there was a killer and he came in through the open doorway because the door to the hall was tightly bolted on the inside .

因而，肯定存在一位凶手，他从打开的双开门进屋，因为通向走廊的房门被从里面紧紧地闩住。