(To counteract this disturbing trend,) government agencies and private companies are using public service announcements and safety events to raise awareness.

VOA: standard.2010.06.24

Remember in the ion, we're going to have less electrons around to counteract the pull from the nucleus.

还记得在这个离子中，在原子核周围,抵消它吸引力的电子更少。

麻省理工公开课 - 化学原理课程节选

In order to counteract the packaged and monumental form of The Norton, ] I will be using Beinecke's and Sterling's resources, using Power Point digitized files.

为了防止这本包装精美的诺顿纪念集对我们的阻碍，我会利用拜内克古籍馆,以及史德林图书馆的资源，同时运用一些幻灯片的电子文件。

耶鲁公开课 - 现代诗歌课程节选