down sweep

基本解释

Inside the shaft these probes move up and down and sweep round 360 degrees on a specially designed track held between two centralising spider assemblies.
內部的探頭架設在兩個多支腿結搆上，它們可以上下移動，竝能完成360度鏇轉。
This society emphasizes too much harmony, so the way they do that is by heavy-handed control — they try to put everything down and sweep it under the rug without solving problems.
這個社會過分強調和諧，而他們的方法是通過嚴厲的控制 - 他們試圖把一切都壓下來，把問題藏在地毯下麪而不是解決問題。
THE parade of film stars that will sweep down the red carpet of the Kodak Theatre to the Oscar ceremony on Sunday February 24th may be winners already.
能走上2月24日柯達劇院前的紅毯的奧斯卡明星們也許已經算是成功者了。

What of it, if some old hunks of a sea-captain orders me to get a broom and sweep down the decks?
NPR: Excerpt: 'Moby-Dick'
Each time a man stands for an ideal, or acts to improve the lot of others, or strikes out against injustice, he sends forth a tiny ripple of hope, and crossing each other from a million different centers of energy and daring, those ripples build a current that can sweep down the mightiest of walls of oppression and resistance.
FORBES: When It Comes To Fixing The Economy, Obama And Romney Should Be Talking About This Tonight