Yvo de Boer,the U.N.'s top climate change official, told delegates there was still time to break deadlocks, but he said countries that could be more ambitious should act now.

VOA: standard.2009.09.28

I feel like there should be more diversity in it, in a sensee that

我觉得应该更多样化，而这意思是指在有些方面，

选美比赛的好处 - SpeakingMax英语口语达人

What I have here is there is the 3p, there are six of them, and now it is telling me I should be able to put in ten more.

我现在要讲的3p轨道，有6个电子，上面的计算却告诉我,我还得再放十个电子。

麻省理工公开课 - 固态化学导论课程节选

"When there are people that we know who have been involved with Noordin (Top), or have been involved in violence, who have served their sentences and who are about to get released, and who have been visited regularly by fellow prisoners who have been released, you would think it would trigger something that these people are high risks, so there should be a way of designating some kind of special category for more intensive monitoring."

VOA: standard.2010.03.24