There is surrounding farmland going as far,typically, as there is either a natural or an artificial frontier.

周围环绕着农田,这些农田一般会延伸至一个自然边界,或者一个人工边界为止

耶鲁公开课 - 古希腊历史简介课程节选

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

We talked last time about extracellular matrix and this complex protein-carbohydrate gel that surrounds all cells.

我们上次谈到过的细胞外基质,是一种蛋白和碳水化合物的复合物胶冻,它环绕在细胞周围

耶鲁公开课 - 生物医学工程探索课程节选