Strawberries grown in containers need a soil depth of about twenty-five to thirty centimeters.

VOA: special.2009.05.19

This is a poem written in the depth of the Depression and also at the height of Frost's fame.

这是一首写在经济危机时候的诗,也是在弗罗斯特最有名的时候。

耶鲁公开课 - 现代诗歌课程节选

"In fact,there has not been a nominee in several generations who has brought the depth of judicial experience to this job that she offers."

VOA: standard.2009.05.30