Natural micro-organisms in the water helped eat the oil and clean up the spill.

VOA: special.2011.04.23

Now this behaves very differently in water because part of it is water soluble, this part is, it's a molecule that would like to dissolve in water and part of it is like oil, it doesn't want to dissolve in water.

它们在水中表现出十分不同性质,因为一部分是水溶性的,这一部分是,是一种可以溶于水的分子,而另一部分就像油,不会溶于水中

耶鲁公开课 - 生物医学工程探索课程节选

The fascinating part about this layer is that it solves the problem for phospholipids about how to exist in water when half of you wants to be in oil, and that the water soluble part of the top leaflet here, of the top points up into the water, and the fatty acid chains point down.

这层膜的迷人之处在于,它解决了磷脂,如何存在于水中和油脂中的问题,水溶性的顶端部分,向上插入水中,而脂肪链则指向下

耶鲁公开课 - 生物医学工程探索课程节选

Louisiana officials say the risks come not just from oil, but from chemical dispersants being sprayed in the water.

VOA: standard.2010.06.01

And he said French business expertise in water, oil and infrastructure development is known worldwide, and France wants to be at the forefront of reconstructing Iraq.

VOA: standard.2009.11.16

Scientists have now found oil suspended in the water down to 1,000 meters.

VOA: standard.2010.06.08

That is one of our allies is the fresh water holding the oil out in the open water as opposed to coming into the isle marshes and stuff."

VOA: standard.2010.05.09

They shut us down. We have to dump them back in the water." Wildlife officials have suspended fishing here in Black Bay and other areas affected by the oil leak.

VOA: standard.2010.05.06

Family members rush to take advantage of every precious drop before the afternoon, filling plastic jugs,oil drums, and pails with water for use by the 15 people who live in this home.

VOA: standard.2009.08.01

But could find none. "Over time oil does dissipate and can get broken down from bacteria and other organisms in the water, but still they are putting certain dispersants on the oil that makes it sink down to the bottom."

VOA: standard.2010.05.09