The 32-year-old rapper, who swiftly dropped from sight after his MTV incident in September, is a 12-time Grammy Award winner.

VOA: standard.2010.01.25

Because already I can see there is a line of sight from one nucleus to the other with no electron density whatsoever.

因为我已经看出在Z轴,有一条线从这个核到那个核,没有连续电子。

麻省理工公开课 - 固态化学导论课程节选

This is especially true if they result from drugs,infection, sight or hearing problems, head injury,and heart or lung problems.

VOA: special.2009.09.15

With no utensils in sight, she resorts to scooping it up (and scarfing it down) directly from the pot with hunks of bread.

VOA: standard.2010.04.30