Hundreds of the islands are only pieces of sand that extend a few feet out of the water.

VOA: special.2010.03.22

You could distinguish between some properties of these processes that extend out, in that most of them are what are called dendrites.

你可以分辨出细胞体,所向外伸展的突起之间的,某些不同性质,大部分突起都属于树突

耶鲁公开课 - 生物医学工程探索课程节选

Then around this cell body there's an elaborate set of processes which extend out from the cell body and they go in various directions.

环绕在细胞周围的是,是从细胞体延伸出的一束束精细的突起,它们向各个方向延伸

耶鲁公开课 - 生物医学工程探索课程节选