at source

基本解釋

They aim to stop an event at source, before it has a chance to become an international threat.
《條例》的目的是在有機(jī)會(huì)成為國際威脅之前，從根源制止事件的發(fā)生。
This strategy aims to detect an event early and stop it at source, before it has an opportunity to become an international threat.
這一戰(zhàn)略旨在及早發(fā)現(xiàn)事件并在它有機(jī)會(huì)成為國際威脅之前，在源頭加以遏制。
If spraying at source really is as good or better than surface spraying, and requires a great deal less dispersant, it will be a boon.
如果在海底漏油源頭噴灑分散劑的效果與在海面噴灑的效果相同，或是更好，而且可以減少分散劑的使用量，那這對人們來說將會(huì)是一個(gè)喜訊。

A source of anger for many lawmakers at the hearing was a U.S.government contract for a so-called "virtual fence" monitoring system along the nearly 3200-kilometer U.S.-Mexico border.
But thankfully now in 2010, we're at the point where there's a whole lot of free and open source software that you can integrate into your projects that other nice people have made available.
不過幸好在2010年,現(xiàn)在有很多可用的開源,代碼軟件，你可以將其融合,到你的工程中。
哈佛公開課 - 計(jì)算機(jī)科學(xué)課程節(jié)選
And source critics looking at this material discern numerous, diverse sources that are interwoven throughout.
一些材料批評學(xué)家認(rèn)為這個(gè)故事，是由很多素材交織在一起的而成的。
耶魯公開課 - 舊約導(dǎo)論課程節(jié)選

However, this form of energy requires expensive plants to turn the gas into liquid at source.
ECONOMIST: Drilling on Wall Street