重點(diǎn)講解：
1. be focused on 集中(注意力)；關(guān)注；
Since this is a technical article, we are focused on technical solutions to securing systems.
由于這是一篇技術(shù)性的文章，因此我們重點(diǎn)討論保護(hù)系統(tǒng)的技術(shù)解決方案。
2. put in order 整齊；井然有序；
Things have to be put in order here before they come.
在他們來之前，這一切都得要整理好。
3. in addition to 另外；加之；除…之外；
Witnesses said the shooting focus on the back of the building, in addition to shot noise, at least two explosions heard a loud bang.
目擊者說，槍擊集中在大樓的后面，除了槍擊聲，至少還聽到了兩次爆炸的巨響。
4. show up 出現(xiàn)；露面；
You didn't show up in the morning meeting. What's up?
你沒有參加今天早上的會(huì)議。你怎么了？