During the 1950s, Hooks and the NAACP helped to organize many of the black-led boycotts of segregated white businesses, and non-violent sit-in protests that became emblematic of the burgeoning civil rights movement led by Martin Luther King,Jr.

VOA: standard.2010.04.16

just to sit outside and have a coffee and watch the world go by, and...

就在室外坐着，喝一杯咖啡，观察周围的一切，然后……

科芬园的氛围 - SpeakingMax英语口语达人

So, the number of nuclei, 119 if we were to sit and count these as well, is 119. So, we'll multiply that by just pi, r squared, to get that cross-section, and divide all of that by 1 . 39 meters squared.

如果你们数的话，原子核的数是，我们用它乘以πr的平方，得到横截面积，除以1。39平方米。

麻省理工公开课 - 化学原理课程节选

I think that's when you sit back and kind of be surprised." It was a feat celebrated by Chicago White Sox fans throughout the Windy City on Thursday, but the rare accomplishment might not have taken place without the help of one of Buehrle's teammates.

VOA: standard.2009.07.24