at the top

基本解釋

The title bar at the top of each module identifies its purpose.
每個模塊頂部的標(biāo)題欄的目的都是爲(wèi)了標(biāo)示其用途。
Format your report so that the page number appears at the top of each page.
將你的報告格式化，這樣頁碼就會出現(xiàn)在每頁的頂部。
Some people use their time and money badly and start at the top only to work down to the proper level of their poor abilities.
有些人濫用他們的時間和金錢，開始時地位很高，以後衹好走下坡路，降到跟他們的低能相儅的地步了。

At the time, scientists believed that a person at the top of the mountain would only have enough oxygen to sleep.
In fact, the water at the bottom of the waterfall is hotter than the water at the top of the waterfall.
實(shí)際上，瀑佈底部的水,的確比頂部的水要熱。
麻省理工公開課 - 熱力學(xué)與動力學(xué)課程節(jié)選
These are highly competitive athletes, at the top of their sport, coming here to Princeton when they were recruited.
這都是競爭力很強(qiáng)的運(yùn)動員，屬於單項(xiàng)之最，被普林斯頓招來時都是頂尖的。
普林斯頓公開課 - 人性課程節(jié)選

As for seniority, there may well be too much dead weight at the top.
FORBES: How To Slim The Ranks