Although there is some evidence that artery damage caused by second-hand smoke in adults may be reversible, LaVan says it's unclear whether that's also true for adolescents.

VOA: standard.2010.03.04

He responds in the second paragraph of the letter in the left-hand column of the packet to this criticism that he's doing so little.

他在信左手边的第二段,对他做的如此至少的批评作出了回应。

耶鲁公开课 - 弥尔顿课程节选

He responds in the second paragraph of the letter in the left-hand column of the packet to this criticism that he's doing so little.

他在信左手边的第二段,对他做的如此至少的批评作出了回应。

耶鲁公开课 - 弥尔顿课程节选